Home / 8,460.74-12,691.96-2,913.36

Finding the Fourth Proportional to 8,460.74, 12,691.96 and 2,913.36

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Solution

The fourth proportional to 8,460.74, 12,691.96 and 2,913.36 is: 4,370.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,460.74 : 12,691.96 = 2,913.36 : x
  2. Step 2: Convert to fraction form
    8,460.74/12,691.96 = 2,913.36/x
  3. Step 3: Cross multiply
    8,460.74x = 12,691.96 × 2,913.36
  4. Step 4: Simplify right side
    8,460.74x = 36,976,248.59
  5. Step 5: Solve for x
    x = 36,976,248.59/8,460.74
  6. Step 6: Final answer
    x = 4,370.33

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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.