Home / 7,437.18-11,154.15-3,486

Finding the Fourth Proportional to 7,437.18, 11,154.15 and 3,486

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Solution

The fourth proportional to 7,437.18, 11,154.15 and 3,486 is: 5,228.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,437.18 : 11,154.15 = 3,486 : x
  2. Step 2: Convert to fraction form
    7,437.18/11,154.15 = 3,486/x
  3. Step 3: Cross multiply
    7,437.18x = 11,154.15 × 3,486
  4. Step 4: Simplify right side
    7,437.18x = 38,883,366.90
  5. Step 5: Solve for x
    x = 38,883,366.90/7,437.18
  6. Step 6: Final answer
    x = 5,228.24

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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.