Home / 8,985.29-13,468.68-3,437.12

Finding the Fourth Proportional to 8,985.29, 13,468.68 and 3,437.12

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Solution

The fourth proportional to 8,985.29, 13,468.68 and 3,437.12 is: 5,152.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,985.29 : 13,468.68 = 3,437.12 : x
  2. Step 2: Convert to fraction form
    8,985.29/13,468.68 = 3,437.12/x
  3. Step 3: Cross multiply
    8,985.29x = 13,468.68 × 3,437.12
  4. Step 4: Simplify right side
    8,985.29x = 46,293,503.07
  5. Step 5: Solve for x
    x = 46,293,503.07/8,985.29
  6. Step 6: Final answer
    x = 5,152.15

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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.