Home / 6,475.87-9,718.53-2,581.39

Finding the Fourth Proportional to 6,475.87, 9,718.53 and 2,581.39

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Solution

The fourth proportional to 6,475.87, 9,718.53 and 2,581.39 is: 3,873.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,475.87 : 9,718.53 = 2,581.39 : x
  2. Step 2: Convert to fraction form
    6,475.87/9,718.53 = 2,581.39/x
  3. Step 3: Cross multiply
    6,475.87x = 9,718.53 × 2,581.39
  4. Step 4: Simplify right side
    6,475.87x = 25,087,316.16
  5. Step 5: Solve for x
    x = 25,087,316.16/6,475.87
  6. Step 6: Final answer
    x = 3,873.97

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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.