Home / 4,435.72-6,121.57-2,547.90

Finding the Fourth Proportional to 4,435.72, 6,121.57 and 2,547.90

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Solution

The fourth proportional to 4,435.72, 6,121.57 and 2,547.90 is: 3,516.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,435.72 : 6,121.57 = 2,547.90 : x
  2. Step 2: Convert to fraction form
    4,435.72/6,121.57 = 2,547.90/x
  3. Step 3: Cross multiply
    4,435.72x = 6,121.57 × 2,547.90
  4. Step 4: Simplify right side
    4,435.72x = 15,597,148.20
  5. Step 5: Solve for x
    x = 15,597,148.20/4,435.72
  6. Step 6: Final answer
    x = 3,516.26

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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.