Home / 4,380.60-6,572.08-1,915.64

Finding the Fourth Proportional to 4,380.60, 6,572.08 and 1,915.64

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Solution

The fourth proportional to 4,380.60, 6,572.08 and 1,915.64 is: 2,873.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,380.60 : 6,572.08 = 1,915.64 : x
  2. Step 2: Convert to fraction form
    4,380.60/6,572.08 = 1,915.64/x
  3. Step 3: Cross multiply
    4,380.60x = 6,572.08 × 1,915.64
  4. Step 4: Simplify right side
    4,380.60x = 12,589,739.33
  5. Step 5: Solve for x
    x = 12,589,739.33/4,380.60
  6. Step 6: Final answer
    x = 2,873.98

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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.