Home / 10,058.85-15,087.78-4,790.03

Finding the Fourth Proportional to 10,058.85, 15,087.78 and 4,790.03

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Solution

The fourth proportional to 10,058.85, 15,087.78 and 4,790.03 is: 7,184.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,058.85 : 15,087.78 = 4,790.03 : x
  2. Step 2: Convert to fraction form
    10,058.85/15,087.78 = 4,790.03/x
  3. Step 3: Cross multiply
    10,058.85x = 15,087.78 × 4,790.03
  4. Step 4: Simplify right side
    10,058.85x = 72,270,843.39
  5. Step 5: Solve for x
    x = 72,270,843.39/10,058.85
  6. Step 6: Final answer
    x = 7,184.80

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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.