Home / 7,437.29-11,148.17-3,486.51

Finding the Fourth Proportional to 7,437.29, 11,148.17 and 3,486.51

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Solution

The fourth proportional to 7,437.29, 11,148.17 and 3,486.51 is: 5,226.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,437.29 : 11,148.17 = 3,486.51 : x
  2. Step 2: Convert to fraction form
    7,437.29/11,148.17 = 3,486.51/x
  3. Step 3: Cross multiply
    7,437.29x = 11,148.17 × 3,486.51
  4. Step 4: Simplify right side
    7,437.29x = 38,868,188.75
  5. Step 5: Solve for x
    x = 38,868,188.75/7,437.29
  6. Step 6: Final answer
    x = 5,226.13

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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.