Home / 6,459.16-9,687.12-2,759.56

Finding the Fourth Proportional to 6,459.16, 9,687.12 and 2,759.56

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Solution

The fourth proportional to 6,459.16, 9,687.12 and 2,759.56 is: 4,138.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,459.16 : 9,687.12 = 2,759.56 : x
  2. Step 2: Convert to fraction form
    6,459.16/9,687.12 = 2,759.56/x
  3. Step 3: Cross multiply
    6,459.16x = 9,687.12 × 2,759.56
  4. Step 4: Simplify right side
    6,459.16x = 26,732,188.87
  5. Step 5: Solve for x
    x = 26,732,188.87/6,459.16
  6. Step 6: Final answer
    x = 4,138.65

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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.