Home / 5,310.57-7,325.36-3,820.51

Finding the Fourth Proportional to 5,310.57, 7,325.36 and 3,820.51

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Solution

The fourth proportional to 5,310.57, 7,325.36 and 3,820.51 is: 5,269.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,310.57 : 7,325.36 = 3,820.51 : x
  2. Step 2: Convert to fraction form
    5,310.57/7,325.36 = 3,820.51/x
  3. Step 3: Cross multiply
    5,310.57x = 7,325.36 × 3,820.51
  4. Step 4: Simplify right side
    5,310.57x = 27,986,605.66
  5. Step 5: Solve for x
    x = 27,986,605.66/5,310.57
  6. Step 6: Final answer
    x = 5,269.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.