Home / 7,382.40-11,073.60-6,080.64

Finding the Fourth Proportional to 7,382.40, 11,073.60 and 6,080.64

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Solution

The fourth proportional to 7,382.40, 11,073.60 and 6,080.64 is: 9,120.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382.40 : 11,073.60 = 6,080.64 : x
  2. Step 2: Convert to fraction form
    7,382.40/11,073.60 = 6,080.64/x
  3. Step 3: Cross multiply
    7,382.40x = 11,073.60 × 6,080.64
  4. Step 4: Simplify right side
    7,382.40x = 67,334,575.10
  5. Step 5: Solve for x
    x = 67,334,575.10/7,382.40
  6. Step 6: Final answer
    x = 9,120.96

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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.