Home / 4,334.30-6,488.69-2,685.54

Finding the Fourth Proportional to 4,334.30, 6,488.69 and 2,685.54

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Solution

The fourth proportional to 4,334.30, 6,488.69 and 2,685.54 is: 4,020.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,334.30 : 6,488.69 = 2,685.54 : x
  2. Step 2: Convert to fraction form
    4,334.30/6,488.69 = 2,685.54/x
  3. Step 3: Cross multiply
    4,334.30x = 6,488.69 × 2,685.54
  4. Step 4: Simplify right side
    4,334.30x = 17,425,636.54
  5. Step 5: Solve for x
    x = 17,425,636.54/4,334.30
  6. Step 6: Final answer
    x = 4,020.40

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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.