Home / 6,364.55-8,781.28-4,126.52

Finding the Fourth Proportional to 6,364.55, 8,781.28 and 4,126.52

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Solution

The fourth proportional to 6,364.55, 8,781.28 and 4,126.52 is: 5,693.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,364.55 : 8,781.28 = 4,126.52 : x
  2. Step 2: Convert to fraction form
    6,364.55/8,781.28 = 4,126.52/x
  3. Step 3: Cross multiply
    6,364.55x = 8,781.28 × 4,126.52
  4. Step 4: Simplify right side
    6,364.55x = 36,236,073.32
  5. Step 5: Solve for x
    x = 36,236,073.32/6,364.55
  6. Step 6: Final answer
    x = 5,693.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.