Home / 8,985.53-12,399.68-5,006.41

Finding the Fourth Proportional to 8,985.53, 12,399.68 and 5,006.41

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Solution

The fourth proportional to 8,985.53, 12,399.68 and 5,006.41 is: 6,908.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,985.53 : 12,399.68 = 5,006.41 : x
  2. Step 2: Convert to fraction form
    8,985.53/12,399.68 = 5,006.41/x
  3. Step 3: Cross multiply
    8,985.53x = 12,399.68 × 5,006.41
  4. Step 4: Simplify right side
    8,985.53x = 62,077,863.47
  5. Step 5: Solve for x
    x = 62,077,863.47/8,985.53
  6. Step 6: Final answer
    x = 6,908.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.