Home / 4,209.15-5,806.68-2,717.55

Finding the Fourth Proportional to 4,209.15, 5,806.68 and 2,717.55

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Solution

The fourth proportional to 4,209.15, 5,806.68 and 2,717.55 is: 3,748.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,209.15 : 5,806.68 = 2,717.55 : x
  2. Step 2: Convert to fraction form
    4,209.15/5,806.68 = 2,717.55/x
  3. Step 3: Cross multiply
    4,209.15x = 5,806.68 × 2,717.55
  4. Step 4: Simplify right side
    4,209.15x = 15,779,943.23
  5. Step 5: Solve for x
    x = 15,779,943.23/4,209.15
  6. Step 6: Final answer
    x = 3,748.96

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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.