Home / 6,612.12-9,115.20-5,037.48

Finding the Fourth Proportional to 6,612.12, 9,115.20 and 5,037.48

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Solution

The fourth proportional to 6,612.12, 9,115.20 and 5,037.48 is: 6,944.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,612.12 : 9,115.20 = 5,037.48 : x
  2. Step 2: Convert to fraction form
    6,612.12/9,115.20 = 5,037.48/x
  3. Step 3: Cross multiply
    6,612.12x = 9,115.20 × 5,037.48
  4. Step 4: Simplify right side
    6,612.12x = 45,917,637.70
  5. Step 5: Solve for x
    x = 45,917,637.70/6,612.12
  6. Step 6: Final answer
    x = 6,944.47

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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.