Home / 6,660.57-9,191.55-3,635.70

Finding the Fourth Proportional to 6,660.57, 9,191.55 and 3,635.70

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Solution

The fourth proportional to 6,660.57, 9,191.55 and 3,635.70 is: 5,017.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,660.57 : 9,191.55 = 3,635.70 : x
  2. Step 2: Convert to fraction form
    6,660.57/9,191.55 = 3,635.70/x
  3. Step 3: Cross multiply
    6,660.57x = 9,191.55 × 3,635.70
  4. Step 4: Simplify right side
    6,660.57x = 33,417,718.34
  5. Step 5: Solve for x
    x = 33,417,718.34/6,660.57
  6. Step 6: Final answer
    x = 5,017.25

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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.