Home / 5,082.77-7,623.38-1,385.30

Finding the Fourth Proportional to 5,082.77, 7,623.38 and 1,385.30

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Solution

The fourth proportional to 5,082.77, 7,623.38 and 1,385.30 is: 2,077.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,082.77 : 7,623.38 = 1,385.30 : x
  2. Step 2: Convert to fraction form
    5,082.77/7,623.38 = 1,385.30/x
  3. Step 3: Cross multiply
    5,082.77x = 7,623.38 × 1,385.30
  4. Step 4: Simplify right side
    5,082.77x = 10,560,672.65
  5. Step 5: Solve for x
    x = 10,560,672.65/5,082.77
  6. Step 6: Final answer
    x = 2,077.74

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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.