Home / 6,122.72-9,178.70-2,427.55

Finding the Fourth Proportional to 6,122.72, 9,178.70 and 2,427.55

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Solution

The fourth proportional to 6,122.72, 9,178.70 and 2,427.55 is: 3,639.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.72 : 9,178.70 = 2,427.55 : x
  2. Step 2: Convert to fraction form
    6,122.72/9,178.70 = 2,427.55/x
  3. Step 3: Cross multiply
    6,122.72x = 9,178.70 × 2,427.55
  4. Step 4: Simplify right side
    6,122.72x = 22,281,753.19
  5. Step 5: Solve for x
    x = 22,281,753.19/6,122.72
  6. Step 6: Final answer
    x = 3,639.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.