Home / 5,164.12-7,126.52-2,806.32

Finding the Fourth Proportional to 5,164.12, 7,126.52 and 2,806.32

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Solution

The fourth proportional to 5,164.12, 7,126.52 and 2,806.32 is: 3,872.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,164.12 : 7,126.52 = 2,806.32 : x
  2. Step 2: Convert to fraction form
    5,164.12/7,126.52 = 2,806.32/x
  3. Step 3: Cross multiply
    5,164.12x = 7,126.52 × 2,806.32
  4. Step 4: Simplify right side
    5,164.12x = 19,999,295.61
  5. Step 5: Solve for x
    x = 19,999,295.61/5,164.12
  6. Step 6: Final answer
    x = 3,872.74

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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.