Home / 6,725.12-9,283.20-3,931.52

Finding the Fourth Proportional to 6,725.12, 9,283.20 and 3,931.52

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Solution

The fourth proportional to 6,725.12, 9,283.20 and 3,931.52 is: 5,426.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,725.12 : 9,283.20 = 3,931.52 : x
  2. Step 2: Convert to fraction form
    6,725.12/9,283.20 = 3,931.52/x
  3. Step 3: Cross multiply
    6,725.12x = 9,283.20 × 3,931.52
  4. Step 4: Simplify right side
    6,725.12x = 36,497,086.46
  5. Step 5: Solve for x
    x = 36,497,086.46/6,725.12
  6. Step 6: Final answer
    x = 5,426.98

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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.