Home / 5,210.92-7,191.08-2,853.19

Finding the Fourth Proportional to 5,210.92, 7,191.08 and 2,853.19

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Solution

The fourth proportional to 5,210.92, 7,191.08 and 2,853.19 is: 3,937.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.92 : 7,191.08 = 2,853.19 : x
  2. Step 2: Convert to fraction form
    5,210.92/7,191.08 = 2,853.19/x
  3. Step 3: Cross multiply
    5,210.92x = 7,191.08 × 2,853.19
  4. Step 4: Simplify right side
    5,210.92x = 20,517,517.55
  5. Step 5: Solve for x
    x = 20,517,517.55/5,210.92
  6. Step 6: Final answer
    x = 3,937.41

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Half scale
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Double scale
Find fourth proportional to 5,211.92, 7,192.46 and 2,854.19
Similar ratio
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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.