Home / 8,432.79-12,642.93-4,046.07

Finding the Fourth Proportional to 8,432.79, 12,642.93 and 4,046.07

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Solution

The fourth proportional to 8,432.79, 12,642.93 and 4,046.07 is: 6,066.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,432.79 : 12,642.93 = 4,046.07 : x
  2. Step 2: Convert to fraction form
    8,432.79/12,642.93 = 4,046.07/x
  3. Step 3: Cross multiply
    8,432.79x = 12,642.93 × 4,046.07
  4. Step 4: Simplify right side
    8,432.79x = 51,154,179.79
  5. Step 5: Solve for x
    x = 51,154,179.79/8,432.79
  6. Step 6: Final answer
    x = 6,066.10

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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.