Home / 6,580.16-9,080.88-3,926.96

Finding the Fourth Proportional to 6,580.16, 9,080.88 and 3,926.96

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Solution

The fourth proportional to 6,580.16, 9,080.88 and 3,926.96 is: 5,419.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,580.16 : 9,080.88 = 3,926.96 : x
  2. Step 2: Convert to fraction form
    6,580.16/9,080.88 = 3,926.96/x
  3. Step 3: Cross multiply
    6,580.16x = 9,080.88 × 3,926.96
  4. Step 4: Simplify right side
    6,580.16x = 35,660,252.52
  5. Step 5: Solve for x
    x = 35,660,252.52/6,580.16
  6. Step 6: Final answer
    x = 5,419.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.