Home / 4,020.20-5,547.80-2,227.86

Finding the Fourth Proportional to 4,020.20, 5,547.80 and 2,227.86

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Solution

The fourth proportional to 4,020.20, 5,547.80 and 2,227.86 is: 3,074.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,020.20 : 5,547.80 = 2,227.86 : x
  2. Step 2: Convert to fraction form
    4,020.20/5,547.80 = 2,227.86/x
  3. Step 3: Cross multiply
    4,020.20x = 5,547.80 × 2,227.86
  4. Step 4: Simplify right side
    4,020.20x = 12,359,721.71
  5. Step 5: Solve for x
    x = 12,359,721.71/4,020.20
  6. Step 6: Final answer
    x = 3,074.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.