Home / 4,841.28-7,261.76-1,378.53

Finding the Fourth Proportional to 4,841.28, 7,261.76 and 1,378.53

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Solution

The fourth proportional to 4,841.28, 7,261.76 and 1,378.53 is: 2,067.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,841.28 : 7,261.76 = 1,378.53 : x
  2. Step 2: Convert to fraction form
    4,841.28/7,261.76 = 1,378.53/x
  3. Step 3: Cross multiply
    4,841.28x = 7,261.76 × 1,378.53
  4. Step 4: Simplify right side
    4,841.28x = 10,010,521.15
  5. Step 5: Solve for x
    x = 10,010,521.15/4,841.28
  6. Step 6: Final answer
    x = 2,067.74

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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.