Home / 5,225.29-7,210.66-2,867.38

Finding the Fourth Proportional to 5,225.29, 7,210.66 and 2,867.38

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Solution

The fourth proportional to 5,225.29, 7,210.66 and 2,867.38 is: 3,956.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,225.29 : 7,210.66 = 2,867.38 : x
  2. Step 2: Convert to fraction form
    5,225.29/7,210.66 = 2,867.38/x
  3. Step 3: Cross multiply
    5,225.29x = 7,210.66 × 2,867.38
  4. Step 4: Simplify right side
    5,225.29x = 20,675,702.27
  5. Step 5: Solve for x
    x = 20,675,702.27/5,225.29
  6. Step 6: Final answer
    x = 3,956.85

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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.