Home / 9,119.81-13,679.91-4,734.87

Finding the Fourth Proportional to 9,119.81, 13,679.91 and 4,734.87

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Solution

The fourth proportional to 9,119.81, 13,679.91 and 4,734.87 is: 7,102.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,119.81 : 13,679.91 = 4,734.87 : x
  2. Step 2: Convert to fraction form
    9,119.81/13,679.91 = 4,734.87/x
  3. Step 3: Cross multiply
    9,119.81x = 13,679.91 × 4,734.87
  4. Step 4: Simplify right side
    9,119.81x = 64,772,595.46
  5. Step 5: Solve for x
    x = 64,772,595.46/9,119.81
  6. Step 6: Final answer
    x = 7,102.41

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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.