Home / 5,718.08-8,576.68-2,209.76

Finding the Fourth Proportional to 5,718.08, 8,576.68 and 2,209.76

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Solution

The fourth proportional to 5,718.08, 8,576.68 and 2,209.76 is: 3,314.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,718.08 : 8,576.68 = 2,209.76 : x
  2. Step 2: Convert to fraction form
    5,718.08/8,576.68 = 2,209.76/x
  3. Step 3: Cross multiply
    5,718.08x = 8,576.68 × 2,209.76
  4. Step 4: Simplify right side
    5,718.08x = 18,952,404.40
  5. Step 5: Solve for x
    x = 18,952,404.40/5,718.08
  6. Step 6: Final answer
    x = 3,314.47

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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.