Home / 5,082.93-7,623.61-1,385.45

Finding the Fourth Proportional to 5,082.93, 7,623.61 and 1,385.45

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Solution

The fourth proportional to 5,082.93, 7,623.61 and 1,385.45 is: 2,077.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,082.93 : 7,623.61 = 1,385.45 : x
  2. Step 2: Convert to fraction form
    5,082.93/7,623.61 = 1,385.45/x
  3. Step 3: Cross multiply
    5,082.93x = 7,623.61 × 1,385.45
  4. Step 4: Simplify right side
    5,082.93x = 10,562,149.53
  5. Step 5: Solve for x
    x = 10,562,149.53/5,082.93
  6. Step 6: Final answer
    x = 2,077.97

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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.