Home / 8,261.60-11,398.22-4,722.30

Finding the Fourth Proportional to 8,261.60, 11,398.22 and 4,722.30

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Solution

The fourth proportional to 8,261.60, 11,398.22 and 4,722.30 is: 6,515.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,261.60 : 11,398.22 = 4,722.30 : x
  2. Step 2: Convert to fraction form
    8,261.60/11,398.22 = 4,722.30/x
  3. Step 3: Cross multiply
    8,261.60x = 11,398.22 × 4,722.30
  4. Step 4: Simplify right side
    8,261.60x = 53,825,814.31
  5. Step 5: Solve for x
    x = 53,825,814.31/8,261.60
  6. Step 6: Final answer
    x = 6,515.18

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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.