Home / 6,242.32-9,365.10-3,122.20

Finding the Fourth Proportional to 6,242.32, 9,365.10 and 3,122.20

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Solution

The fourth proportional to 6,242.32, 9,365.10 and 3,122.20 is: 4,684.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,242.32 : 9,365.10 = 3,122.20 : x
  2. Step 2: Convert to fraction form
    6,242.32/9,365.10 = 3,122.20/x
  3. Step 3: Cross multiply
    6,242.32x = 9,365.10 × 3,122.20
  4. Step 4: Simplify right side
    6,242.32x = 29,239,691.81
  5. Step 5: Solve for x
    x = 29,239,691.81/6,242.32
  6. Step 6: Final answer
    x = 4,684.11

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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.