Home / 5,311.80-7,331.36-3,637.85

Finding the Fourth Proportional to 5,311.80, 7,331.36 and 3,637.85

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Solution

The fourth proportional to 5,311.80, 7,331.36 and 3,637.85 is: 5,020.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,311.80 : 7,331.36 = 3,637.85 : x
  2. Step 2: Convert to fraction form
    5,311.80/7,331.36 = 3,637.85/x
  3. Step 3: Cross multiply
    5,311.80x = 7,331.36 × 3,637.85
  4. Step 4: Simplify right side
    5,311.80x = 26,670,333.13
  5. Step 5: Solve for x
    x = 26,670,333.13/5,311.80
  6. Step 6: Final answer
    x = 5,020.96

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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.