Home / 5,159.01-7,738.52-1,872.10

Finding the Fourth Proportional to 5,159.01, 7,738.52 and 1,872.10

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Solution

The fourth proportional to 5,159.01, 7,738.52 and 1,872.10 is: 2,808.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,159.01 : 7,738.52 = 1,872.10 : x
  2. Step 2: Convert to fraction form
    5,159.01/7,738.52 = 1,872.10/x
  3. Step 3: Cross multiply
    5,159.01x = 7,738.52 × 1,872.10
  4. Step 4: Simplify right side
    5,159.01x = 14,487,283.29
  5. Step 5: Solve for x
    x = 14,487,283.29/5,159.01
  6. Step 6: Final answer
    x = 2,808.15

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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.