Home / 5,429.77-8,158.32-3,456.30

Finding the Fourth Proportional to 5,429.77, 8,158.32 and 3,456.30

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Solution

The fourth proportional to 5,429.77, 8,158.32 and 3,456.30 is: 5,193.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429.77 : 8,158.32 = 3,456.30 : x
  2. Step 2: Convert to fraction form
    5,429.77/8,158.32 = 3,456.30/x
  3. Step 3: Cross multiply
    5,429.77x = 8,158.32 × 3,456.30
  4. Step 4: Simplify right side
    5,429.77x = 28,197,584.13
  5. Step 5: Solve for x
    x = 28,197,584.13/5,429.77
  6. Step 6: Final answer
    x = 5,193.15

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1.5x scale

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.