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Finding the Fourth Proportional to 7,069.67, 10,604.46 and 1,875.50

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Solution

The fourth proportional to 7,069.67, 10,604.46 and 1,875.50 is: 2,813.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,069.67 : 10,604.46 = 1,875.50 : x
  2. Step 2: Convert to fraction form
    7,069.67/10,604.46 = 1,875.50/x
  3. Step 3: Cross multiply
    7,069.67x = 10,604.46 × 1,875.50
  4. Step 4: Simplify right side
    7,069.67x = 19,888,664.73
  5. Step 5: Solve for x
    x = 19,888,664.73/7,069.67
  6. Step 6: Final answer
    x = 2,813.24

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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.