Home / 5,227.16-7,840.81-1,529.47

Finding the Fourth Proportional to 5,227.16, 7,840.81 and 1,529.47

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Solution

The fourth proportional to 5,227.16, 7,840.81 and 1,529.47 is: 2,294.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,227.16 : 7,840.81 = 1,529.47 : x
  2. Step 2: Convert to fraction form
    5,227.16/7,840.81 = 1,529.47/x
  3. Step 3: Cross multiply
    5,227.16x = 7,840.81 × 1,529.47
  4. Step 4: Simplify right side
    5,227.16x = 11,992,265.98
  5. Step 5: Solve for x
    x = 11,992,265.98/5,227.16
  6. Step 6: Final answer
    x = 2,294.22

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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.