Home / 8,758.13-13,137.80-4,318.11

Finding the Fourth Proportional to 8,758.13, 13,137.80 and 4,318.11

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Solution

The fourth proportional to 8,758.13, 13,137.80 and 4,318.11 is: 6,477.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,758.13 : 13,137.80 = 4,318.11 : x
  2. Step 2: Convert to fraction form
    8,758.13/13,137.80 = 4,318.11/x
  3. Step 3: Cross multiply
    8,758.13x = 13,137.80 × 4,318.11
  4. Step 4: Simplify right side
    8,758.13x = 56,730,443.97
  5. Step 5: Solve for x
    x = 56,730,443.97/8,758.13
  6. Step 6: Final answer
    x = 6,477.46

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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.