Home / 5,677.38-7,834.91-3,320.89

Finding the Fourth Proportional to 5,677.38, 7,834.91 and 3,320.89

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Solution

The fourth proportional to 5,677.38, 7,834.91 and 3,320.89 is: 4,582.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,677.38 : 7,834.91 = 3,320.89 : x
  2. Step 2: Convert to fraction form
    5,677.38/7,834.91 = 3,320.89/x
  3. Step 3: Cross multiply
    5,677.38x = 7,834.91 × 3,320.89
  4. Step 4: Simplify right side
    5,677.38x = 26,018,838.08
  5. Step 5: Solve for x
    x = 26,018,838.08/5,677.38
  6. Step 6: Final answer
    x = 4,582.90

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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.