Home / 6,555-9,045.90-3,761.40

Finding the Fourth Proportional to 6,555, 9,045.90 and 3,761.40

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Solution

The fourth proportional to 6,555, 9,045.90 and 3,761.40 is: 5,190.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,555 : 9,045.90 = 3,761.40 : x
  2. Step 2: Convert to fraction form
    6,555/9,045.90 = 3,761.40/x
  3. Step 3: Cross multiply
    6,555x = 9,045.90 × 3,761.40
  4. Step 4: Simplify right side
    6,555x = 34,025,248.26
  5. Step 5: Solve for x
    x = 34,025,248.26/6,555
  6. Step 6: Final answer
    x = 5,190.73

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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.