Home / 8,242.84-11,366.76-5,404.60

Finding the Fourth Proportional to 8,242.84, 11,366.76 and 5,404.60

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Solution

The fourth proportional to 8,242.84, 11,366.76 and 5,404.60 is: 7,452.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,242.84 : 11,366.76 = 5,404.60 : x
  2. Step 2: Convert to fraction form
    8,242.84/11,366.76 = 5,404.60/x
  3. Step 3: Cross multiply
    8,242.84x = 11,366.76 × 5,404.60
  4. Step 4: Simplify right side
    8,242.84x = 61,432,791.10
  5. Step 5: Solve for x
    x = 61,432,791.10/8,242.84
  6. Step 6: Final answer
    x = 7,452.87

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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.