Home / 8,218.86-11,341.18-4,861.01

Finding the Fourth Proportional to 8,218.86, 11,341.18 and 4,861.01

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Solution

The fourth proportional to 8,218.86, 11,341.18 and 4,861.01 is: 6,707.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,218.86 : 11,341.18 = 4,861.01 : x
  2. Step 2: Convert to fraction form
    8,218.86/11,341.18 = 4,861.01/x
  3. Step 3: Cross multiply
    8,218.86x = 11,341.18 × 4,861.01
  4. Step 4: Simplify right side
    8,218.86x = 55,129,589.39
  5. Step 5: Solve for x
    x = 55,129,589.39/8,218.86
  6. Step 6: Final answer
    x = 6,707.69

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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.