Home / 4,009.20-6,013.80-2,281.20

Finding the Fourth Proportional to 4,009.20, 6,013.80 and 2,281.20

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Solution

The fourth proportional to 4,009.20, 6,013.80 and 2,281.20 is: 3,421.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,009.20 : 6,013.80 = 2,281.20 : x
  2. Step 2: Convert to fraction form
    4,009.20/6,013.80 = 2,281.20/x
  3. Step 3: Cross multiply
    4,009.20x = 6,013.80 × 2,281.20
  4. Step 4: Simplify right side
    4,009.20x = 13,718,680.56
  5. Step 5: Solve for x
    x = 13,718,680.56/4,009.20
  6. Step 6: Final answer
    x = 3,421.80

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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.