Home / 6,610.95-9,123.19-3,626.78

Finding the Fourth Proportional to 6,610.95, 9,123.19 and 3,626.78

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Solution

The fourth proportional to 6,610.95, 9,123.19 and 3,626.78 is: 5,004.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,610.95 : 9,123.19 = 3,626.78 : x
  2. Step 2: Convert to fraction form
    6,610.95/9,123.19 = 3,626.78/x
  3. Step 3: Cross multiply
    6,610.95x = 9,123.19 × 3,626.78
  4. Step 4: Simplify right side
    6,610.95x = 33,087,748.35
  5. Step 5: Solve for x
    x = 33,087,748.35/6,610.95
  6. Step 6: Final answer
    x = 5,004.99

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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.