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Finding the Fourth Proportional to 7,043.63, 10,565.44 and 1,849.50

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Solution

The fourth proportional to 7,043.63, 10,565.44 and 1,849.50 is: 2,774.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,043.63 : 10,565.44 = 1,849.50 : x
  2. Step 2: Convert to fraction form
    7,043.63/10,565.44 = 1,849.50/x
  3. Step 3: Cross multiply
    7,043.63x = 10,565.44 × 1,849.50
  4. Step 4: Simplify right side
    7,043.63x = 19,540,776.66
  5. Step 5: Solve for x
    x = 19,540,776.66/7,043.63
  6. Step 6: Final answer
    x = 2,774.25

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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.