Home / 5,688.50-8,532.45-2,178.24

Finding the Fourth Proportional to 5,688.50, 8,532.45 and 2,178.24

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Solution

The fourth proportional to 5,688.50, 8,532.45 and 2,178.24 is: 3,267.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,688.50 : 8,532.45 = 2,178.24 : x
  2. Step 2: Convert to fraction form
    5,688.50/8,532.45 = 2,178.24/x
  3. Step 3: Cross multiply
    5,688.50x = 8,532.45 × 2,178.24
  4. Step 4: Simplify right side
    5,688.50x = 18,585,723.89
  5. Step 5: Solve for x
    x = 18,585,723.89/5,688.50
  6. Step 6: Final answer
    x = 3,267.25

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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.