Home / 8,432.31-12,647.28-4,634.14

Finding the Fourth Proportional to 8,432.31, 12,647.28 and 4,634.14

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Solution

The fourth proportional to 8,432.31, 12,647.28 and 4,634.14 is: 6,950.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,432.31 : 12,647.28 = 4,634.14 : x
  2. Step 2: Convert to fraction form
    8,432.31/12,647.28 = 4,634.14/x
  3. Step 3: Cross multiply
    8,432.31x = 12,647.28 × 4,634.14
  4. Step 4: Simplify right side
    8,432.31x = 58,609,262.58
  5. Step 5: Solve for x
    x = 58,609,262.58/8,432.31
  6. Step 6: Final answer
    x = 6,950.56

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1.5x scale

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.