Home / 5,318.29-7,337.93-3,078.95

Finding the Fourth Proportional to 5,318.29, 7,337.93 and 3,078.95

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Solution

The fourth proportional to 5,318.29, 7,337.93 and 3,078.95 is: 4,248.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.29 : 7,337.93 = 3,078.95 : x
  2. Step 2: Convert to fraction form
    5,318.29/7,337.93 = 3,078.95/x
  3. Step 3: Cross multiply
    5,318.29x = 7,337.93 × 3,078.95
  4. Step 4: Simplify right side
    5,318.29x = 22,593,067.49
  5. Step 5: Solve for x
    x = 22,593,067.49/5,318.29
  6. Step 6: Final answer
    x = 4,248.18

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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.