Home / 5,642.52-8,453.80-3,795.20

Finding the Fourth Proportional to 5,642.52, 8,453.80 and 3,795.20

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Solution

The fourth proportional to 5,642.52, 8,453.80 and 3,795.20 is: 5,686.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,642.52 : 8,453.80 = 3,795.20 : x
  2. Step 2: Convert to fraction form
    5,642.52/8,453.80 = 3,795.20/x
  3. Step 3: Cross multiply
    5,642.52x = 8,453.80 × 3,795.20
  4. Step 4: Simplify right side
    5,642.52x = 32,083,861.76
  5. Step 5: Solve for x
    x = 32,083,861.76/5,642.52
  6. Step 6: Final answer
    x = 5,686.09

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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.