Home / 5,910.12-8,155.90-3,392.29

Finding the Fourth Proportional to 5,910.12, 8,155.90 and 3,392.29

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Solution

The fourth proportional to 5,910.12, 8,155.90 and 3,392.29 is: 4,681.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,910.12 : 8,155.90 = 3,392.29 : x
  2. Step 2: Convert to fraction form
    5,910.12/8,155.90 = 3,392.29/x
  3. Step 3: Cross multiply
    5,910.12x = 8,155.90 × 3,392.29
  4. Step 4: Simplify right side
    5,910.12x = 27,667,178.01
  5. Step 5: Solve for x
    x = 27,667,178.01/5,910.12
  6. Step 6: Final answer
    x = 4,681.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.