Home / 8,431.17-12,650.48-4,531.02

Finding the Fourth Proportional to 8,431.17, 12,650.48 and 4,531.02

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Solution

The fourth proportional to 8,431.17, 12,650.48 and 4,531.02 is: 6,798.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,431.17 : 12,650.48 = 4,531.02 : x
  2. Step 2: Convert to fraction form
    8,431.17/12,650.48 = 4,531.02/x
  3. Step 3: Cross multiply
    8,431.17x = 12,650.48 × 4,531.02
  4. Step 4: Simplify right side
    8,431.17x = 57,319,555.23
  5. Step 5: Solve for x
    x = 57,319,555.23/8,431.17
  6. Step 6: Final answer
    x = 6,798.53

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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.