Home / 7,949.14-10,971.45-5,558.47

Finding the Fourth Proportional to 7,949.14, 10,971.45 and 5,558.47

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Solution

The fourth proportional to 7,949.14, 10,971.45 and 5,558.47 is: 7,671.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,949.14 : 10,971.45 = 5,558.47 : x
  2. Step 2: Convert to fraction form
    7,949.14/10,971.45 = 5,558.47/x
  3. Step 3: Cross multiply
    7,949.14x = 10,971.45 × 5,558.47
  4. Step 4: Simplify right side
    7,949.14x = 60,984,509.97
  5. Step 5: Solve for x
    x = 60,984,509.97/7,949.14
  6. Step 6: Final answer
    x = 7,671.84

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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.