Home / 7,949.96-10,969.24-5,398.60

Finding the Fourth Proportional to 7,949.96, 10,969.24 and 5,398.60

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Solution

The fourth proportional to 7,949.96, 10,969.24 and 5,398.60 is: 7,448.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,949.96 : 10,969.24 = 5,398.60 : x
  2. Step 2: Convert to fraction form
    7,949.96/10,969.24 = 5,398.60/x
  3. Step 3: Cross multiply
    7,949.96x = 10,969.24 × 5,398.60
  4. Step 4: Simplify right side
    7,949.96x = 59,218,539.06
  5. Step 5: Solve for x
    x = 59,218,539.06/7,949.96
  6. Step 6: Final answer
    x = 7,448.91

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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.