Home / 5,817.38-8,720.95-2,309.85

Finding the Fourth Proportional to 5,817.38, 8,720.95 and 2,309.85

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Solution

The fourth proportional to 5,817.38, 8,720.95 and 2,309.85 is: 3,462.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,817.38 : 8,720.95 = 2,309.85 : x
  2. Step 2: Convert to fraction form
    5,817.38/8,720.95 = 2,309.85/x
  3. Step 3: Cross multiply
    5,817.38x = 8,720.95 × 2,309.85
  4. Step 4: Simplify right side
    5,817.38x = 20,144,080.58
  5. Step 5: Solve for x
    x = 20,144,080.58/5,817.38
  6. Step 6: Final answer
    x = 3,462.74

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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.