Home / 8,805.48-13,210.92-3,611.76

Finding the Fourth Proportional to 8,805.48, 13,210.92 and 3,611.76

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Solution

The fourth proportional to 8,805.48, 13,210.92 and 3,611.76 is: 5,418.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,805.48 : 13,210.92 = 3,611.76 : x
  2. Step 2: Convert to fraction form
    8,805.48/13,210.92 = 3,611.76/x
  3. Step 3: Cross multiply
    8,805.48x = 13,210.92 × 3,611.76
  4. Step 4: Simplify right side
    8,805.48x = 47,714,672.42
  5. Step 5: Solve for x
    x = 47,714,672.42/8,805.48
  6. Step 6: Final answer
    x = 5,418.75

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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.