Home / 5,228.38-7,840.11-3,037.72

Finding the Fourth Proportional to 5,228.38, 7,840.11 and 3,037.72

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Solution

The fourth proportional to 5,228.38, 7,840.11 and 3,037.72 is: 4,555.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228.38 : 7,840.11 = 3,037.72 : x
  2. Step 2: Convert to fraction form
    5,228.38/7,840.11 = 3,037.72/x
  3. Step 3: Cross multiply
    5,228.38x = 7,840.11 × 3,037.72
  4. Step 4: Simplify right side
    5,228.38x = 23,816,058.95
  5. Step 5: Solve for x
    x = 23,816,058.95/5,228.38
  6. Step 6: Final answer
    x = 4,555.15

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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.