Home / 6,476.85-8,937.36-3,959.55

Finding the Fourth Proportional to 6,476.85, 8,937.36 and 3,959.55

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Solution

The fourth proportional to 6,476.85, 8,937.36 and 3,959.55 is: 5,463.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,476.85 : 8,937.36 = 3,959.55 : x
  2. Step 2: Convert to fraction form
    6,476.85/8,937.36 = 3,959.55/x
  3. Step 3: Cross multiply
    6,476.85x = 8,937.36 × 3,959.55
  4. Step 4: Simplify right side
    6,476.85x = 35,387,923.79
  5. Step 5: Solve for x
    x = 35,387,923.79/6,476.85
  6. Step 6: Final answer
    x = 5,463.76

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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.