Home / 5,191.28-7,785.76-1,493.52

Finding the Fourth Proportional to 5,191.28, 7,785.76 and 1,493.52

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Solution

The fourth proportional to 5,191.28, 7,785.76 and 1,493.52 is: 2,239.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191.28 : 7,785.76 = 1,493.52 : x
  2. Step 2: Convert to fraction form
    5,191.28/7,785.76 = 1,493.52/x
  3. Step 3: Cross multiply
    5,191.28x = 7,785.76 × 1,493.52
  4. Step 4: Simplify right side
    5,191.28x = 11,628,188.28
  5. Step 5: Solve for x
    x = 11,628,188.28/5,191.28
  6. Step 6: Final answer
    x = 2,239.95

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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.