Home / 7,972.92-10,998.36-5,316.90

Finding the Fourth Proportional to 7,972.92, 10,998.36 and 5,316.90

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Solution

The fourth proportional to 7,972.92, 10,998.36 and 5,316.90 is: 7,334.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972.92 : 10,998.36 = 5,316.90 : x
  2. Step 2: Convert to fraction form
    7,972.92/10,998.36 = 5,316.90/x
  3. Step 3: Cross multiply
    7,972.92x = 10,998.36 × 5,316.90
  4. Step 4: Simplify right side
    7,972.92x = 58,477,180.28
  5. Step 5: Solve for x
    x = 58,477,180.28/7,972.92
  6. Step 6: Final answer
    x = 7,334.47

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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.