Home / 7,888.18-11,832.26-4,427.86

Finding the Fourth Proportional to 7,888.18, 11,832.26 and 4,427.86

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Solution

The fourth proportional to 7,888.18, 11,832.26 and 4,427.86 is: 6,641.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,888.18 : 11,832.26 = 4,427.86 : x
  2. Step 2: Convert to fraction form
    7,888.18/11,832.26 = 4,427.86/x
  3. Step 3: Cross multiply
    7,888.18x = 11,832.26 × 4,427.86
  4. Step 4: Simplify right side
    7,888.18x = 52,391,590.76
  5. Step 5: Solve for x
    x = 52,391,590.76/7,888.18
  6. Step 6: Final answer
    x = 6,641.78

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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.