Home / 5,147.64-7,715.25-2,370.51

Finding the Fourth Proportional to 5,147.64, 7,715.25 and 2,370.51

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Solution

The fourth proportional to 5,147.64, 7,715.25 and 2,370.51 is: 3,552.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,147.64 : 7,715.25 = 2,370.51 : x
  2. Step 2: Convert to fraction form
    5,147.64/7,715.25 = 2,370.51/x
  3. Step 3: Cross multiply
    5,147.64x = 7,715.25 × 2,370.51
  4. Step 4: Simplify right side
    5,147.64x = 18,289,077.28
  5. Step 5: Solve for x
    x = 18,289,077.28/5,147.64
  6. Step 6: Final answer
    x = 3,552.91

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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.