Home / 10,549.83-15,824.89-2,758.64

Finding the Fourth Proportional to 10,549.83, 15,824.89 and 2,758.64

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Solution

The fourth proportional to 10,549.83, 15,824.89 and 2,758.64 is: 4,138.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,549.83 : 15,824.89 = 2,758.64 : x
  2. Step 2: Convert to fraction form
    10,549.83/15,824.89 = 2,758.64/x
  3. Step 3: Cross multiply
    10,549.83x = 15,824.89 × 2,758.64
  4. Step 4: Simplify right side
    10,549.83x = 43,655,195.65
  5. Step 5: Solve for x
    x = 43,655,195.65/10,549.83
  6. Step 6: Final answer
    x = 4,138.00

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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.