Home / 4,188.04-6,282.05-1,721.12

Finding the Fourth Proportional to 4,188.04, 6,282.05 and 1,721.12

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Solution

The fourth proportional to 4,188.04, 6,282.05 and 1,721.12 is: 2,581.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.04 : 6,282.05 = 1,721.12 : x
  2. Step 2: Convert to fraction form
    4,188.04/6,282.05 = 1,721.12/x
  3. Step 3: Cross multiply
    4,188.04x = 6,282.05 × 1,721.12
  4. Step 4: Simplify right side
    4,188.04x = 10,812,161.90
  5. Step 5: Solve for x
    x = 10,812,161.90/4,188.04
  6. Step 6: Final answer
    x = 2,581.68

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.