Home / 4,360.17-6,540.90-1,438.20

Finding the Fourth Proportional to 4,360.17, 6,540.90 and 1,438.20

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Solution

The fourth proportional to 4,360.17, 6,540.90 and 1,438.20 is: 2,157.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,360.17 : 6,540.90 = 1,438.20 : x
  2. Step 2: Convert to fraction form
    4,360.17/6,540.90 = 1,438.20/x
  3. Step 3: Cross multiply
    4,360.17x = 6,540.90 × 1,438.20
  4. Step 4: Simplify right side
    4,360.17x = 9,407,122.38
  5. Step 5: Solve for x
    x = 9,407,122.38/4,360.17
  6. Step 6: Final answer
    x = 2,157.51

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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.