Home / 5,429.52-8,157.95-3,456.05

Finding the Fourth Proportional to 5,429.52, 8,157.95 and 3,456.05

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Solution

The fourth proportional to 5,429.52, 8,157.95 and 3,456.05 is: 5,192.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429.52 : 8,157.95 = 3,456.05 : x
  2. Step 2: Convert to fraction form
    5,429.52/8,157.95 = 3,456.05/x
  3. Step 3: Cross multiply
    5,429.52x = 8,157.95 × 3,456.05
  4. Step 4: Simplify right side
    5,429.52x = 28,194,225.03
  5. Step 5: Solve for x
    x = 28,194,225.03/5,429.52
  6. Step 6: Final answer
    x = 5,192.77

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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.