Home / 8,025.40-12,036.21-2,180.71

Finding the Fourth Proportional to 8,025.40, 12,036.21 and 2,180.71

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Solution

The fourth proportional to 8,025.40, 12,036.21 and 2,180.71 is: 3,270.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,025.40 : 12,036.21 = 2,180.71 : x
  2. Step 2: Convert to fraction form
    8,025.40/12,036.21 = 2,180.71/x
  3. Step 3: Cross multiply
    8,025.40x = 12,036.21 × 2,180.71
  4. Step 4: Simplify right side
    8,025.40x = 26,247,483.51
  5. Step 5: Solve for x
    x = 26,247,483.51/8,025.40
  6. Step 6: Final answer
    x = 3,270.55

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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.