Home / 5,289.59-7,937.97-2,170.16

Finding the Fourth Proportional to 5,289.59, 7,937.97 and 2,170.16

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Solution

The fourth proportional to 5,289.59, 7,937.97 and 2,170.16 is: 3,256.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289.59 : 7,937.97 = 2,170.16 : x
  2. Step 2: Convert to fraction form
    5,289.59/7,937.97 = 2,170.16/x
  3. Step 3: Cross multiply
    5,289.59x = 7,937.97 × 2,170.16
  4. Step 4: Simplify right side
    5,289.59x = 17,226,664.98
  5. Step 5: Solve for x
    x = 17,226,664.98/5,289.59
  6. Step 6: Final answer
    x = 3,256.71

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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.