Home / 5,077.53-7,616.25-1,379.76

Finding the Fourth Proportional to 5,077.53, 7,616.25 and 1,379.76

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Solution

The fourth proportional to 5,077.53, 7,616.25 and 1,379.76 is: 2,069.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,077.53 : 7,616.25 = 1,379.76 : x
  2. Step 2: Convert to fraction form
    5,077.53/7,616.25 = 1,379.76/x
  3. Step 3: Cross multiply
    5,077.53x = 7,616.25 × 1,379.76
  4. Step 4: Simplify right side
    5,077.53x = 10,508,597.10
  5. Step 5: Solve for x
    x = 10,508,597.10/5,077.53
  6. Step 6: Final answer
    x = 2,069.63

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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.