Home / 5,147.40-7,103.85-4,306.62

Finding the Fourth Proportional to 5,147.40, 7,103.85 and 4,306.62

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Solution

The fourth proportional to 5,147.40, 7,103.85 and 4,306.62 is: 5,943.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,147.40 : 7,103.85 = 4,306.62 : x
  2. Step 2: Convert to fraction form
    5,147.40/7,103.85 = 4,306.62/x
  3. Step 3: Cross multiply
    5,147.40x = 7,103.85 × 4,306.62
  4. Step 4: Simplify right side
    5,147.40x = 30,593,582.49
  5. Step 5: Solve for x
    x = 30,593,582.49/5,147.40
  6. Step 6: Final answer
    x = 5,943.50

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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.