Home / 5,266.85-7,269.18-3,142.51

Finding the Fourth Proportional to 5,266.85, 7,269.18 and 3,142.51

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Solution

The fourth proportional to 5,266.85, 7,269.18 and 3,142.51 is: 4,337.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,266.85 : 7,269.18 = 3,142.51 : x
  2. Step 2: Convert to fraction form
    5,266.85/7,269.18 = 3,142.51/x
  3. Step 3: Cross multiply
    5,266.85x = 7,269.18 × 3,142.51
  4. Step 4: Simplify right side
    5,266.85x = 22,843,418.78
  5. Step 5: Solve for x
    x = 22,843,418.78/5,266.85
  6. Step 6: Final answer
    x = 4,337.21

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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.