Home / 7,139.02-10,708.51-1,944.88

Finding the Fourth Proportional to 7,139.02, 10,708.51 and 1,944.88

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Solution

The fourth proportional to 7,139.02, 10,708.51 and 1,944.88 is: 2,917.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,139.02 : 10,708.51 = 1,944.88 : x
  2. Step 2: Convert to fraction form
    7,139.02/10,708.51 = 1,944.88/x
  3. Step 3: Cross multiply
    7,139.02x = 10,708.51 × 1,944.88
  4. Step 4: Simplify right side
    7,139.02x = 20,826,708.52
  5. Step 5: Solve for x
    x = 20,826,708.52/7,139.02
  6. Step 6: Final answer
    x = 2,917.31

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Similar ratio
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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.