Home / 6,457.43-9,689.88-2,708.87

Finding the Fourth Proportional to 6,457.43, 9,689.88 and 2,708.87

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Solution

The fourth proportional to 6,457.43, 9,689.88 and 2,708.87 is: 4,064.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,457.43 : 9,689.88 = 2,708.87 : x
  2. Step 2: Convert to fraction form
    6,457.43/9,689.88 = 2,708.87/x
  3. Step 3: Cross multiply
    6,457.43x = 9,689.88 × 2,708.87
  4. Step 4: Simplify right side
    6,457.43x = 26,248,649.46
  5. Step 5: Solve for x
    x = 26,248,649.46/6,457.43
  6. Step 6: Final answer
    x = 4,064.88

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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.