Home / 8,865.31-12,226.67-5,327.84

Finding the Fourth Proportional to 8,865.31, 12,226.67 and 5,327.84

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Solution

The fourth proportional to 8,865.31, 12,226.67 and 5,327.84 is: 7,347.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,865.31 : 12,226.67 = 5,327.84 : x
  2. Step 2: Convert to fraction form
    8,865.31/12,226.67 = 5,327.84/x
  3. Step 3: Cross multiply
    8,865.31x = 12,226.67 × 5,327.84
  4. Step 4: Simplify right side
    8,865.31x = 65,141,741.49
  5. Step 5: Solve for x
    x = 65,141,741.49/8,865.31
  6. Step 6: Final answer
    x = 7,347.94

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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.