Home / 5,590.87-7,715.38-3,200.84

Finding the Fourth Proportional to 5,590.87, 7,715.38 and 3,200.84

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Solution

The fourth proportional to 5,590.87, 7,715.38 and 3,200.84 is: 4,417.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,590.87 : 7,715.38 = 3,200.84 : x
  2. Step 2: Convert to fraction form
    5,590.87/7,715.38 = 3,200.84/x
  3. Step 3: Cross multiply
    5,590.87x = 7,715.38 × 3,200.84
  4. Step 4: Simplify right side
    5,590.87x = 24,695,697.97
  5. Step 5: Solve for x
    x = 24,695,697.97/5,590.87
  6. Step 6: Final answer
    x = 4,417.15

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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.