Home / 8,854.55-13,278.72-2,612.90

Finding the Fourth Proportional to 8,854.55, 13,278.72 and 2,612.90

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Solution

The fourth proportional to 8,854.55, 13,278.72 and 2,612.90 is: 3,918.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,854.55 : 13,278.72 = 2,612.90 : x
  2. Step 2: Convert to fraction form
    8,854.55/13,278.72 = 2,612.90/x
  3. Step 3: Cross multiply
    8,854.55x = 13,278.72 × 2,612.90
  4. Step 4: Simplify right side
    8,854.55x = 34,695,967.49
  5. Step 5: Solve for x
    x = 34,695,967.49/8,854.55
  6. Step 6: Final answer
    x = 3,918.43

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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.