Home / 17,857.74-26,787.87-4,710

Finding the Fourth Proportional to 17,857.74, 26,787.87 and 4,710

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Solution

The fourth proportional to 17,857.74, 26,787.87 and 4,710 is: 7,065.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,857.74 : 26,787.87 = 4,710 : x
  2. Step 2: Convert to fraction form
    17,857.74/26,787.87 = 4,710/x
  3. Step 3: Cross multiply
    17,857.74x = 26,787.87 × 4,710
  4. Step 4: Simplify right side
    17,857.74x = 126,170,867.70
  5. Step 5: Solve for x
    x = 126,170,867.70/17,857.74
  6. Step 6: Final answer
    x = 7,065.33

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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.