Home / 5,164.32-7,126.68-2,806.41

Finding the Fourth Proportional to 5,164.32, 7,126.68 and 2,806.41

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Solution

The fourth proportional to 5,164.32, 7,126.68 and 2,806.41 is: 3,872.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,164.32 : 7,126.68 = 2,806.41 : x
  2. Step 2: Convert to fraction form
    5,164.32/7,126.68 = 2,806.41/x
  3. Step 3: Cross multiply
    5,164.32x = 7,126.68 × 2,806.41
  4. Step 4: Simplify right side
    5,164.32x = 20,000,386.02
  5. Step 5: Solve for x
    x = 20,000,386.02/5,164.32
  6. Step 6: Final answer
    x = 3,872.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.