Home / 7,757.28-10,705.56-4,398.96

Finding the Fourth Proportional to 7,757.28, 10,705.56 and 4,398.96

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Solution

The fourth proportional to 7,757.28, 10,705.56 and 4,398.96 is: 6,070.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,757.28 : 10,705.56 = 4,398.96 : x
  2. Step 2: Convert to fraction form
    7,757.28/10,705.56 = 4,398.96/x
  3. Step 3: Cross multiply
    7,757.28x = 10,705.56 × 4,398.96
  4. Step 4: Simplify right side
    7,757.28x = 47,093,330.22
  5. Step 5: Solve for x
    x = 47,093,330.22/7,757.28
  6. Step 6: Final answer
    x = 6,070.86

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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.