Home / 8,425.59-12,638.33-6,578.25

Finding the Fourth Proportional to 8,425.59, 12,638.33 and 6,578.25

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Solution

The fourth proportional to 8,425.59, 12,638.33 and 6,578.25 is: 9,867.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,425.59 : 12,638.33 = 6,578.25 : x
  2. Step 2: Convert to fraction form
    8,425.59/12,638.33 = 6,578.25/x
  3. Step 3: Cross multiply
    8,425.59x = 12,638.33 × 6,578.25
  4. Step 4: Simplify right side
    8,425.59x = 83,138,061.43
  5. Step 5: Solve for x
    x = 83,138,061.43/8,425.59
  6. Step 6: Final answer
    x = 9,867.33

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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.