Home / 5,712.20-8,570.93-3,519.53

Finding the Fourth Proportional to 5,712.20, 8,570.93 and 3,519.53

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Solution

The fourth proportional to 5,712.20, 8,570.93 and 3,519.53 is: 5,280.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,712.20 : 8,570.93 = 3,519.53 : x
  2. Step 2: Convert to fraction form
    5,712.20/8,570.93 = 3,519.53/x
  3. Step 3: Cross multiply
    5,712.20x = 8,570.93 × 3,519.53
  4. Step 4: Simplify right side
    5,712.20x = 30,165,584.81
  5. Step 5: Solve for x
    x = 30,165,584.81/5,712.20
  6. Step 6: Final answer
    x = 5,280.91

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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.