Home / 8,220.89-12,322.08-4,052.07

Finding the Fourth Proportional to 8,220.89, 12,322.08 and 4,052.07

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Solution

The fourth proportional to 8,220.89, 12,322.08 and 4,052.07 is: 6,073.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,220.89 : 12,322.08 = 4,052.07 : x
  2. Step 2: Convert to fraction form
    8,220.89/12,322.08 = 4,052.07/x
  3. Step 3: Cross multiply
    8,220.89x = 12,322.08 × 4,052.07
  4. Step 4: Simplify right side
    8,220.89x = 49,929,930.71
  5. Step 5: Solve for x
    x = 49,929,930.71/8,220.89
  6. Step 6: Final answer
    x = 6,073.55

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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.