Home / 8,180.08-12,271.56-2,993.20

Finding the Fourth Proportional to 8,180.08, 12,271.56 and 2,993.20

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Solution

The fourth proportional to 8,180.08, 12,271.56 and 2,993.20 is: 4,490.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,180.08 : 12,271.56 = 2,993.20 : x
  2. Step 2: Convert to fraction form
    8,180.08/12,271.56 = 2,993.20/x
  3. Step 3: Cross multiply
    8,180.08x = 12,271.56 × 2,993.20
  4. Step 4: Simplify right side
    8,180.08x = 36,731,233.39
  5. Step 5: Solve for x
    x = 36,731,233.39/8,180.08
  6. Step 6: Final answer
    x = 4,490.33

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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.