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Finding the Fourth Proportional to 7,001.66, 10,502.49 and 1,807.13

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Solution

The fourth proportional to 7,001.66, 10,502.49 and 1,807.13 is: 2,710.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,001.66 : 10,502.49 = 1,807.13 : x
  2. Step 2: Convert to fraction form
    7,001.66/10,502.49 = 1,807.13/x
  3. Step 3: Cross multiply
    7,001.66x = 10,502.49 × 1,807.13
  4. Step 4: Simplify right side
    7,001.66x = 18,979,312.24
  5. Step 5: Solve for x
    x = 18,979,312.24/7,001.66
  6. Step 6: Final answer
    x = 2,710.69

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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.