Home / 9,058.20-13,589.87-3,215.40

Finding the Fourth Proportional to 9,058.20, 13,589.87 and 3,215.40

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Solution

The fourth proportional to 9,058.20, 13,589.87 and 3,215.40 is: 4,824.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,058.20 : 13,589.87 = 3,215.40 : x
  2. Step 2: Convert to fraction form
    9,058.20/13,589.87 = 3,215.40/x
  3. Step 3: Cross multiply
    9,058.20x = 13,589.87 × 3,215.40
  4. Step 4: Simplify right side
    9,058.20x = 43,696,851.92
  5. Step 5: Solve for x
    x = 43,696,851.92/9,058.20
  6. Step 6: Final answer
    x = 4,824.01

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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.