Home / 6,864.52-9,472.67-3,880.18

Finding the Fourth Proportional to 6,864.52, 9,472.67 and 3,880.18

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Solution

The fourth proportional to 6,864.52, 9,472.67 and 3,880.18 is: 5,354.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,864.52 : 9,472.67 = 3,880.18 : x
  2. Step 2: Convert to fraction form
    6,864.52/9,472.67 = 3,880.18/x
  3. Step 3: Cross multiply
    6,864.52x = 9,472.67 × 3,880.18
  4. Step 4: Simplify right side
    6,864.52x = 36,755,621.60
  5. Step 5: Solve for x
    x = 36,755,621.60/6,864.52
  6. Step 6: Final answer
    x = 5,354.44

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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.