Home / 6,449.12-9,686.16-5,724.96

Finding the Fourth Proportional to 6,449.12, 9,686.16 and 5,724.96

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Solution

The fourth proportional to 6,449.12, 9,686.16 and 5,724.96 is: 8,598.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,449.12 : 9,686.16 = 5,724.96 : x
  2. Step 2: Convert to fraction form
    6,449.12/9,686.16 = 5,724.96/x
  3. Step 3: Cross multiply
    6,449.12x = 9,686.16 × 5,724.96
  4. Step 4: Simplify right side
    6,449.12x = 55,452,878.55
  5. Step 5: Solve for x
    x = 55,452,878.55/6,449.12
  6. Step 6: Final answer
    x = 8,598.52

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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.