Home / 6,433.38-8,879.55-4,191.35

Finding the Fourth Proportional to 6,433.38, 8,879.55 and 4,191.35

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Solution

The fourth proportional to 6,433.38, 8,879.55 and 4,191.35 is: 5,785.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,433.38 : 8,879.55 = 4,191.35 : x
  2. Step 2: Convert to fraction form
    6,433.38/8,879.55 = 4,191.35/x
  3. Step 3: Cross multiply
    6,433.38x = 8,879.55 × 4,191.35
  4. Step 4: Simplify right side
    6,433.38x = 37,217,301.89
  5. Step 5: Solve for x
    x = 37,217,301.89/6,433.38
  6. Step 6: Final answer
    x = 5,785.03

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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.