Home / 5,463.39-7,539.45-2,979.39

Finding the Fourth Proportional to 5,463.39, 7,539.45 and 2,979.39

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Solution

The fourth proportional to 5,463.39, 7,539.45 and 2,979.39 is: 4,111.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,463.39 : 7,539.45 = 2,979.39 : x
  2. Step 2: Convert to fraction form
    5,463.39/7,539.45 = 2,979.39/x
  3. Step 3: Cross multiply
    5,463.39x = 7,539.45 × 2,979.39
  4. Step 4: Simplify right side
    5,463.39x = 22,462,961.94
  5. Step 5: Solve for x
    x = 22,462,961.94/5,463.39
  6. Step 6: Final answer
    x = 4,111.54

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1.5x scale

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.