Home / 5,261.29-7,261.52-3,136.96

Finding the Fourth Proportional to 5,261.29, 7,261.52 and 3,136.96

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Solution

The fourth proportional to 5,261.29, 7,261.52 and 3,136.96 is: 4,329.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.29 : 7,261.52 = 3,136.96 : x
  2. Step 2: Convert to fraction form
    5,261.29/7,261.52 = 3,136.96/x
  3. Step 3: Cross multiply
    5,261.29x = 7,261.52 × 3,136.96
  4. Step 4: Simplify right side
    5,261.29x = 22,779,097.78
  5. Step 5: Solve for x
    x = 22,779,097.78/5,261.29
  6. Step 6: Final answer
    x = 4,329.57

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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.