Home / 5,166.27-7,129.33-3,013.21

Finding the Fourth Proportional to 5,166.27, 7,129.33 and 3,013.21

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Solution

The fourth proportional to 5,166.27, 7,129.33 and 3,013.21 is: 4,158.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,166.27 : 7,129.33 = 3,013.21 : x
  2. Step 2: Convert to fraction form
    5,166.27/7,129.33 = 3,013.21/x
  3. Step 3: Cross multiply
    5,166.27x = 7,129.33 × 3,013.21
  4. Step 4: Simplify right side
    5,166.27x = 21,482,153.38
  5. Step 5: Solve for x
    x = 21,482,153.38/5,166.27
  6. Step 6: Final answer
    x = 4,158.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.