Home / 4,188.05-6,282.18-1,721.14

Finding the Fourth Proportional to 4,188.05, 6,282.18 and 1,721.14

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Solution

The fourth proportional to 4,188.05, 6,282.18 and 1,721.14 is: 2,581.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.05 : 6,282.18 = 1,721.14 : x
  2. Step 2: Convert to fraction form
    4,188.05/6,282.18 = 1,721.14/x
  3. Step 3: Cross multiply
    4,188.05x = 6,282.18 × 1,721.14
  4. Step 4: Simplify right side
    4,188.05x = 10,812,511.29
  5. Step 5: Solve for x
    x = 10,812,511.29/4,188.05
  6. Step 6: Final answer
    x = 2,581.75

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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.