Home / 4,170.64-6,256.23-1,397.20

Finding the Fourth Proportional to 4,170.64, 6,256.23 and 1,397.20

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Solution

The fourth proportional to 4,170.64, 6,256.23 and 1,397.20 is: 2,095.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,170.64 : 6,256.23 = 1,397.20 : x
  2. Step 2: Convert to fraction form
    4,170.64/6,256.23 = 1,397.20/x
  3. Step 3: Cross multiply
    4,170.64x = 6,256.23 × 1,397.20
  4. Step 4: Simplify right side
    4,170.64x = 8,741,204.56
  5. Step 5: Solve for x
    x = 8,741,204.56/4,170.64
  6. Step 6: Final answer
    x = 2,095.89

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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.