Home / 6,457.38-9,686.51-2,759.60

Finding the Fourth Proportional to 6,457.38, 9,686.51 and 2,759.60

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Solution

The fourth proportional to 6,457.38, 9,686.51 and 2,759.60 is: 4,139.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,457.38 : 9,686.51 = 2,759.60 : x
  2. Step 2: Convert to fraction form
    6,457.38/9,686.51 = 2,759.60/x
  3. Step 3: Cross multiply
    6,457.38x = 9,686.51 × 2,759.60
  4. Step 4: Simplify right side
    6,457.38x = 26,730,893.00
  5. Step 5: Solve for x
    x = 26,730,893.00/6,457.38
  6. Step 6: Final answer
    x = 4,139.59

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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.