Home / 8,977.35-13,457.51-3,132.39

Finding the Fourth Proportional to 8,977.35, 13,457.51 and 3,132.39

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Solution

The fourth proportional to 8,977.35, 13,457.51 and 3,132.39 is: 4,695.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,977.35 : 13,457.51 = 3,132.39 : x
  2. Step 2: Convert to fraction form
    8,977.35/13,457.51 = 3,132.39/x
  3. Step 3: Cross multiply
    8,977.35x = 13,457.51 × 3,132.39
  4. Step 4: Simplify right side
    8,977.35x = 42,154,154.09
  5. Step 5: Solve for x
    x = 42,154,154.09/8,977.35
  6. Step 6: Final answer
    x = 4,695.61

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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.