Home / 5,355.79-7,390.60-2,965.52

Finding the Fourth Proportional to 5,355.79, 7,390.60 and 2,965.52

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Solution

The fourth proportional to 5,355.79, 7,390.60 and 2,965.52 is: 4,092.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355.79 : 7,390.60 = 2,965.52 : x
  2. Step 2: Convert to fraction form
    5,355.79/7,390.60 = 2,965.52/x
  3. Step 3: Cross multiply
    5,355.79x = 7,390.60 × 2,965.52
  4. Step 4: Simplify right side
    5,355.79x = 21,916,983.17
  5. Step 5: Solve for x
    x = 21,916,983.17/5,355.79
  6. Step 6: Final answer
    x = 4,092.21

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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.