Home / 7,228.96-9,976.02-4,244.78

Finding the Fourth Proportional to 7,228.96, 9,976.02 and 4,244.78

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Solution

The fourth proportional to 7,228.96, 9,976.02 and 4,244.78 is: 5,857.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,228.96 : 9,976.02 = 4,244.78 : x
  2. Step 2: Convert to fraction form
    7,228.96/9,976.02 = 4,244.78/x
  3. Step 3: Cross multiply
    7,228.96x = 9,976.02 × 4,244.78
  4. Step 4: Simplify right side
    7,228.96x = 42,346,010.18
  5. Step 5: Solve for x
    x = 42,346,010.18/7,228.96
  6. Step 6: Final answer
    x = 5,857.83

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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.