Home / 5,689.76-8,535.80-3,225.68

Finding the Fourth Proportional to 5,689.76, 8,535.80 and 3,225.68

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Solution

The fourth proportional to 5,689.76, 8,535.80 and 3,225.68 is: 4,839.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,689.76 : 8,535.80 = 3,225.68 : x
  2. Step 2: Convert to fraction form
    5,689.76/8,535.80 = 3,225.68/x
  3. Step 3: Cross multiply
    5,689.76x = 8,535.80 × 3,225.68
  4. Step 4: Simplify right side
    5,689.76x = 27,533,759.34
  5. Step 5: Solve for x
    x = 27,533,759.34/5,689.76
  6. Step 6: Final answer
    x = 4,839.18

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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.