Home / 4,435.20-6,121.80-2,547.90

Finding the Fourth Proportional to 4,435.20, 6,121.80 and 2,547.90

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Solution

The fourth proportional to 4,435.20, 6,121.80 and 2,547.90 is: 3,516.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,435.20 : 6,121.80 = 2,547.90 : x
  2. Step 2: Convert to fraction form
    4,435.20/6,121.80 = 2,547.90/x
  3. Step 3: Cross multiply
    4,435.20x = 6,121.80 × 2,547.90
  4. Step 4: Simplify right side
    4,435.20x = 15,597,734.22
  5. Step 5: Solve for x
    x = 15,597,734.22/4,435.20
  6. Step 6: Final answer
    x = 3,516.81

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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.