Home / 4,257.04-5,915.20-4,211.40

Finding the Fourth Proportional to 4,257.04, 5,915.20 and 4,211.40

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Solution

The fourth proportional to 4,257.04, 5,915.20 and 4,211.40 is: 5,851.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,257.04 : 5,915.20 = 4,211.40 : x
  2. Step 2: Convert to fraction form
    4,257.04/5,915.20 = 4,211.40/x
  3. Step 3: Cross multiply
    4,257.04x = 5,915.20 × 4,211.40
  4. Step 4: Simplify right side
    4,257.04x = 24,911,273.28
  5. Step 5: Solve for x
    x = 24,911,273.28/4,257.04
  6. Step 6: Final answer
    x = 5,851.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.