Home / 9,118.08-13,663.92-4,954.56

Finding the Fourth Proportional to 9,118.08, 13,663.92 and 4,954.56

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Solution

The fourth proportional to 9,118.08, 13,663.92 and 4,954.56 is: 7,424.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,118.08 : 13,663.92 = 4,954.56 : x
  2. Step 2: Convert to fraction form
    9,118.08/13,663.92 = 4,954.56/x
  3. Step 3: Cross multiply
    9,118.08x = 13,663.92 × 4,954.56
  4. Step 4: Simplify right side
    9,118.08x = 67,698,711.48
  5. Step 5: Solve for x
    x = 67,698,711.48/9,118.08
  6. Step 6: Final answer
    x = 7,424.67

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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.