Home / 8,861.34-12,228.65-5,324.54

Finding the Fourth Proportional to 8,861.34, 12,228.65 and 5,324.54

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Solution

The fourth proportional to 8,861.34, 12,228.65 and 5,324.54 is: 7,347.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,861.34 : 12,228.65 = 5,324.54 : x
  2. Step 2: Convert to fraction form
    8,861.34/12,228.65 = 5,324.54/x
  3. Step 3: Cross multiply
    8,861.34x = 12,228.65 × 5,324.54
  4. Step 4: Simplify right side
    8,861.34x = 65,111,936.07
  5. Step 5: Solve for x
    x = 65,111,936.07/8,861.34
  6. Step 6: Final answer
    x = 7,347.87

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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.