Home / 7,817.56-10,789.26-4,459.61

Finding the Fourth Proportional to 7,817.56, 10,789.26 and 4,459.61

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Solution

The fourth proportional to 7,817.56, 10,789.26 and 4,459.61 is: 6,154.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,817.56 : 10,789.26 = 4,459.61 : x
  2. Step 2: Convert to fraction form
    7,817.56/10,789.26 = 4,459.61/x
  3. Step 3: Cross multiply
    7,817.56x = 10,789.26 × 4,459.61
  4. Step 4: Simplify right side
    7,817.56x = 48,115,891.79
  5. Step 5: Solve for x
    x = 48,115,891.79/7,817.56
  6. Step 6: Final answer
    x = 6,154.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.