Home / 8,372.16-12,543.66-4,464.72

Finding the Fourth Proportional to 8,372.16, 12,543.66 and 4,464.72

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Solution

The fourth proportional to 8,372.16, 12,543.66 and 4,464.72 is: 6,689.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,372.16 : 12,543.66 = 4,464.72 : x
  2. Step 2: Convert to fraction form
    8,372.16/12,543.66 = 4,464.72/x
  3. Step 3: Cross multiply
    8,372.16x = 12,543.66 × 4,464.72
  4. Step 4: Simplify right side
    8,372.16x = 56,003,929.68
  5. Step 5: Solve for x
    x = 56,003,929.68/8,372.16
  6. Step 6: Final answer
    x = 6,689.30

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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.