Home / 5,688.61-8,528.87-2,175.66

Finding the Fourth Proportional to 5,688.61, 8,528.87 and 2,175.66

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Solution

The fourth proportional to 5,688.61, 8,528.87 and 2,175.66 is: 3,261.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,688.61 : 8,528.87 = 2,175.66 : x
  2. Step 2: Convert to fraction form
    5,688.61/8,528.87 = 2,175.66/x
  3. Step 3: Cross multiply
    5,688.61x = 8,528.87 × 2,175.66
  4. Step 4: Simplify right side
    5,688.61x = 18,555,921.30
  5. Step 5: Solve for x
    x = 18,555,921.30/5,688.61
  6. Step 6: Final answer
    x = 3,261.94

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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.