Home / 4,891.10-7,331.12-2,427.62

Finding the Fourth Proportional to 4,891.10, 7,331.12 and 2,427.62

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Solution

The fourth proportional to 4,891.10, 7,331.12 and 2,427.62 is: 3,638.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,891.10 : 7,331.12 = 2,427.62 : x
  2. Step 2: Convert to fraction form
    4,891.10/7,331.12 = 2,427.62/x
  3. Step 3: Cross multiply
    4,891.10x = 7,331.12 × 2,427.62
  4. Step 4: Simplify right side
    4,891.10x = 17,797,161.40
  5. Step 5: Solve for x
    x = 17,797,161.40/4,891.10
  6. Step 6: Final answer
    x = 3,638.68

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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.