Home / 6,181.28-9,261.12-5,147.93

Finding the Fourth Proportional to 6,181.28, 9,261.12 and 5,147.93

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Solution

The fourth proportional to 6,181.28, 9,261.12 and 5,147.93 is: 7,712.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,181.28 : 9,261.12 = 5,147.93 : x
  2. Step 2: Convert to fraction form
    6,181.28/9,261.12 = 5,147.93/x
  3. Step 3: Cross multiply
    6,181.28x = 9,261.12 × 5,147.93
  4. Step 4: Simplify right side
    6,181.28x = 47,675,597.48
  5. Step 5: Solve for x
    x = 47,675,597.48/6,181.28
  6. Step 6: Final answer
    x = 7,712.90

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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.