Home / 6,998.18-9,657.40-3,854.30

Finding the Fourth Proportional to 6,998.18, 9,657.40 and 3,854.30

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Solution

The fourth proportional to 6,998.18, 9,657.40 and 3,854.30 is: 5,318.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,998.18 : 9,657.40 = 3,854.30 : x
  2. Step 2: Convert to fraction form
    6,998.18/9,657.40 = 3,854.30/x
  3. Step 3: Cross multiply
    6,998.18x = 9,657.40 × 3,854.30
  4. Step 4: Simplify right side
    6,998.18x = 37,222,458.90
  5. Step 5: Solve for x
    x = 37,222,458.90/6,998.18
  6. Step 6: Final answer
    x = 5,318.88

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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.