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Finding the Fourth Proportional to 7,069.50, 10,604.25 and 1,875.42

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Solution

The fourth proportional to 7,069.50, 10,604.25 and 1,875.42 is: 2,813.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,069.50 : 10,604.25 = 1,875.42 : x
  2. Step 2: Convert to fraction form
    7,069.50/10,604.25 = 1,875.42/x
  3. Step 3: Cross multiply
    7,069.50x = 10,604.25 × 1,875.42
  4. Step 4: Simplify right side
    7,069.50x = 19,887,422.54
  5. Step 5: Solve for x
    x = 19,887,422.54/7,069.50
  6. Step 6: Final answer
    x = 2,813.13

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.