Home / 8,452.12-11,663.14-4,915.28

Finding the Fourth Proportional to 8,452.12, 11,663.14 and 4,915.28

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Solution

The fourth proportional to 8,452.12, 11,663.14 and 4,915.28 is: 6,782.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,452.12 : 11,663.14 = 4,915.28 : x
  2. Step 2: Convert to fraction form
    8,452.12/11,663.14 = 4,915.28/x
  3. Step 3: Cross multiply
    8,452.12x = 11,663.14 × 4,915.28
  4. Step 4: Simplify right side
    8,452.12x = 57,327,598.78
  5. Step 5: Solve for x
    x = 57,327,598.78/8,452.12
  6. Step 6: Final answer
    x = 6,782.63

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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.