Home / 8,281.12-11,427.60-4,744.66

Finding the Fourth Proportional to 8,281.12, 11,427.60 and 4,744.66

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Solution

The fourth proportional to 8,281.12, 11,427.60 and 4,744.66 is: 6,547.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,281.12 : 11,427.60 = 4,744.66 : x
  2. Step 2: Convert to fraction form
    8,281.12/11,427.60 = 4,744.66/x
  3. Step 3: Cross multiply
    8,281.12x = 11,427.60 × 4,744.66
  4. Step 4: Simplify right side
    8,281.12x = 54,220,076.62
  5. Step 5: Solve for x
    x = 54,220,076.62/8,281.12
  6. Step 6: Final answer
    x = 6,547.43

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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.