Home / 4,231.60-6,347.40-3,915.70

Finding the Fourth Proportional to 4,231.60, 6,347.40 and 3,915.70

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Solution

The fourth proportional to 4,231.60, 6,347.40 and 3,915.70 is: 5,873.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,231.60 : 6,347.40 = 3,915.70 : x
  2. Step 2: Convert to fraction form
    4,231.60/6,347.40 = 3,915.70/x
  3. Step 3: Cross multiply
    4,231.60x = 6,347.40 × 3,915.70
  4. Step 4: Simplify right side
    4,231.60x = 24,854,514.18
  5. Step 5: Solve for x
    x = 24,854,514.18/4,231.60
  6. Step 6: Final answer
    x = 5,873.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.