Home / 6,457.30-9,686.96-2,759.55

Finding the Fourth Proportional to 6,457.30, 9,686.96 and 2,759.55

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Solution

The fourth proportional to 6,457.30, 9,686.96 and 2,759.55 is: 4,139.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,457.30 : 9,686.96 = 2,759.55 : x
  2. Step 2: Convert to fraction form
    6,457.30/9,686.96 = 2,759.55/x
  3. Step 3: Cross multiply
    6,457.30x = 9,686.96 × 2,759.55
  4. Step 4: Simplify right side
    6,457.30x = 26,731,650.47
  5. Step 5: Solve for x
    x = 26,731,650.47/6,457.30
  6. Step 6: Final answer
    x = 4,139.76

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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.