Home / 9,154.49-13,730.51-2,581.20

Finding the Fourth Proportional to 9,154.49, 13,730.51 and 2,581.20

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Solution

The fourth proportional to 9,154.49, 13,730.51 and 2,581.20 is: 3,871.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,154.49 : 13,730.51 = 2,581.20 : x
  2. Step 2: Convert to fraction form
    9,154.49/13,730.51 = 2,581.20/x
  3. Step 3: Cross multiply
    9,154.49x = 13,730.51 × 2,581.20
  4. Step 4: Simplify right side
    9,154.49x = 35,441,198.87
  5. Step 5: Solve for x
    x = 35,441,198.87/9,154.49
  6. Step 6: Final answer
    x = 3,871.46

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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.