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Finding the Fourth Proportional to 7,354.56, 11,031.56 and 1,807.92

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Solution

The fourth proportional to 7,354.56, 11,031.56 and 1,807.92 is: 2,711.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,354.56 : 11,031.56 = 1,807.92 : x
  2. Step 2: Convert to fraction form
    7,354.56/11,031.56 = 1,807.92/x
  3. Step 3: Cross multiply
    7,354.56x = 11,031.56 × 1,807.92
  4. Step 4: Simplify right side
    7,354.56x = 19,944,127.32
  5. Step 5: Solve for x
    x = 19,944,127.32/7,354.56
  6. Step 6: Final answer
    x = 2,711.81

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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.