Home / 5,353.16-8,029.80-2,391.75

Finding the Fourth Proportional to 5,353.16, 8,029.80 and 2,391.75

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Solution

The fourth proportional to 5,353.16, 8,029.80 and 2,391.75 is: 3,587.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,353.16 : 8,029.80 = 2,391.75 : x
  2. Step 2: Convert to fraction form
    5,353.16/8,029.80 = 2,391.75/x
  3. Step 3: Cross multiply
    5,353.16x = 8,029.80 × 2,391.75
  4. Step 4: Simplify right side
    5,353.16x = 19,205,252.77
  5. Step 5: Solve for x
    x = 19,205,252.77/5,353.16
  6. Step 6: Final answer
    x = 3,587.65

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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.