Home / 5,391.24-8,083.08-2,792.76

Finding the Fourth Proportional to 5,391.24, 8,083.08 and 2,792.76

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Solution

The fourth proportional to 5,391.24, 8,083.08 and 2,792.76 is: 4,187.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391.24 : 8,083.08 = 2,792.76 : x
  2. Step 2: Convert to fraction form
    5,391.24/8,083.08 = 2,792.76/x
  3. Step 3: Cross multiply
    5,391.24x = 8,083.08 × 2,792.76
  4. Step 4: Simplify right side
    5,391.24x = 22,574,102.50
  5. Step 5: Solve for x
    x = 22,574,102.50/5,391.24
  6. Step 6: Final answer
    x = 4,187.18

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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.