Home / 5,210.92-7,191.09-2,853.04

Finding the Fourth Proportional to 5,210.92, 7,191.09 and 2,853.04

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Solution

The fourth proportional to 5,210.92, 7,191.09 and 2,853.04 is: 3,937.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.92 : 7,191.09 = 2,853.04 : x
  2. Step 2: Convert to fraction form
    5,210.92/7,191.09 = 2,853.04/x
  3. Step 3: Cross multiply
    5,210.92x = 7,191.09 × 2,853.04
  4. Step 4: Simplify right side
    5,210.92x = 20,516,467.41
  5. Step 5: Solve for x
    x = 20,516,467.41/5,210.92
  6. Step 6: Final answer
    x = 3,937.21

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Double scale
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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.