Home / 5,113.38-7,669.71-1,364.87

Finding the Fourth Proportional to 5,113.38, 7,669.71 and 1,364.87

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Solution

The fourth proportional to 5,113.38, 7,669.71 and 1,364.87 is: 2,047.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113.38 : 7,669.71 = 1,364.87 : x
  2. Step 2: Convert to fraction form
    5,113.38/7,669.71 = 1,364.87/x
  3. Step 3: Cross multiply
    5,113.38x = 7,669.71 × 1,364.87
  4. Step 4: Simplify right side
    5,113.38x = 10,468,176.26
  5. Step 5: Solve for x
    x = 10,468,176.26/5,113.38
  6. Step 6: Final answer
    x = 2,047.21

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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.