Home / 8,355.47-12,531.58-4,194.36

Finding the Fourth Proportional to 8,355.47, 12,531.58 and 4,194.36

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Solution

The fourth proportional to 8,355.47, 12,531.58 and 4,194.36 is: 6,290.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,355.47 : 12,531.58 = 4,194.36 : x
  2. Step 2: Convert to fraction form
    8,355.47/12,531.58 = 4,194.36/x
  3. Step 3: Cross multiply
    8,355.47x = 12,531.58 × 4,194.36
  4. Step 4: Simplify right side
    8,355.47x = 52,561,947.40
  5. Step 5: Solve for x
    x = 52,561,947.40/8,355.47
  6. Step 6: Final answer
    x = 6,290.73

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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.