Home / 3,476.17-5,214.27-879.11

Finding the Fourth Proportional to 3,476.17, 5,214.27 and 879.11

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Solution

The fourth proportional to 3,476.17, 5,214.27 and 879.11 is: 1,318.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,476.17 : 5,214.27 = 879.11 : x
  2. Step 2: Convert to fraction form
    3,476.17/5,214.27 = 879.11/x
  3. Step 3: Cross multiply
    3,476.17x = 5,214.27 × 879.11
  4. Step 4: Simplify right side
    3,476.17x = 4,583,916.90
  5. Step 5: Solve for x
    x = 4,583,916.90/3,476.17
  6. Step 6: Final answer
    x = 1,318.67

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1.5x scale

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.