Home / 5,537.12-8,305.76-1,377.12

Finding the Fourth Proportional to 5,537.12, 8,305.76 and 1,377.12

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Solution

The fourth proportional to 5,537.12, 8,305.76 and 1,377.12 is: 2,065.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,537.12 : 8,305.76 = 1,377.12 : x
  2. Step 2: Convert to fraction form
    5,537.12/8,305.76 = 1,377.12/x
  3. Step 3: Cross multiply
    5,537.12x = 8,305.76 × 1,377.12
  4. Step 4: Simplify right side
    5,537.12x = 11,438,028.21
  5. Step 5: Solve for x
    x = 11,438,028.21/5,537.12
  6. Step 6: Final answer
    x = 2,065.70

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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.