Home / 5,260.56-7,260.08-3,931.95

Finding the Fourth Proportional to 5,260.56, 7,260.08 and 3,931.95

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Solution

The fourth proportional to 5,260.56, 7,260.08 and 3,931.95 is: 5,426.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,260.56 : 7,260.08 = 3,931.95 : x
  2. Step 2: Convert to fraction form
    5,260.56/7,260.08 = 3,931.95/x
  3. Step 3: Cross multiply
    5,260.56x = 7,260.08 × 3,931.95
  4. Step 4: Simplify right side
    5,260.56x = 28,546,251.90
  5. Step 5: Solve for x
    x = 28,546,251.90/5,260.56
  6. Step 6: Final answer
    x = 5,426.47

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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.