Home / 5,580.81-7,694.88-3,591.45

Finding the Fourth Proportional to 5,580.81, 7,694.88 and 3,591.45

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Solution

The fourth proportional to 5,580.81, 7,694.88 and 3,591.45 is: 4,951.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,580.81 : 7,694.88 = 3,591.45 : x
  2. Step 2: Convert to fraction form
    5,580.81/7,694.88 = 3,591.45/x
  3. Step 3: Cross multiply
    5,580.81x = 7,694.88 × 3,591.45
  4. Step 4: Simplify right side
    5,580.81x = 27,635,776.78
  5. Step 5: Solve for x
    x = 27,635,776.78/5,580.81
  6. Step 6: Final answer
    x = 4,951.93

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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.