Home / 6,132.30-9,174.15-5,319.60

Finding the Fourth Proportional to 6,132.30, 9,174.15 and 5,319.60

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Solution

The fourth proportional to 6,132.30, 9,174.15 and 5,319.60 is: 7,958.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,132.30 : 9,174.15 = 5,319.60 : x
  2. Step 2: Convert to fraction form
    6,132.30/9,174.15 = 5,319.60/x
  3. Step 3: Cross multiply
    6,132.30x = 9,174.15 × 5,319.60
  4. Step 4: Simplify right side
    6,132.30x = 48,802,808.34
  5. Step 5: Solve for x
    x = 48,802,808.34/6,132.30
  6. Step 6: Final answer
    x = 7,958.32

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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.