Home / 8,002.19-12,003.74-2,159.25

Finding the Fourth Proportional to 8,002.19, 12,003.74 and 2,159.25

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Solution

The fourth proportional to 8,002.19, 12,003.74 and 2,159.25 is: 3,239.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,002.19 : 12,003.74 = 2,159.25 : x
  2. Step 2: Convert to fraction form
    8,002.19/12,003.74 = 2,159.25/x
  3. Step 3: Cross multiply
    8,002.19x = 12,003.74 × 2,159.25
  4. Step 4: Simplify right side
    8,002.19x = 25,919,064.80
  5. Step 5: Solve for x
    x = 25,919,064.80/8,002.19
  6. Step 6: Final answer
    x = 3,239.00

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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.