Home / 5,442.80-8,166.42-1,933.47

Finding the Fourth Proportional to 5,442.80, 8,166.42 and 1,933.47

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Solution

The fourth proportional to 5,442.80, 8,166.42 and 1,933.47 is: 2,901.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,442.80 : 8,166.42 = 1,933.47 : x
  2. Step 2: Convert to fraction form
    5,442.80/8,166.42 = 1,933.47/x
  3. Step 3: Cross multiply
    5,442.80x = 8,166.42 × 1,933.47
  4. Step 4: Simplify right side
    5,442.80x = 15,789,528.08
  5. Step 5: Solve for x
    x = 15,789,528.08/5,442.80
  6. Step 6: Final answer
    x = 2,901.00

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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.