Home / 5,495.68-7,585.41-3,139.18

Finding the Fourth Proportional to 5,495.68, 7,585.41 and 3,139.18

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Solution

The fourth proportional to 5,495.68, 7,585.41 and 3,139.18 is: 4,332.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,495.68 : 7,585.41 = 3,139.18 : x
  2. Step 2: Convert to fraction form
    5,495.68/7,585.41 = 3,139.18/x
  3. Step 3: Cross multiply
    5,495.68x = 7,585.41 × 3,139.18
  4. Step 4: Simplify right side
    5,495.68x = 23,811,951.67
  5. Step 5: Solve for x
    x = 23,811,951.67/5,495.68
  6. Step 6: Final answer
    x = 4,332.85

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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.