Home / 7,962.28-10,981.50-5,571.36

Finding the Fourth Proportional to 7,962.28, 10,981.50 and 5,571.36

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Solution

The fourth proportional to 7,962.28, 10,981.50 and 5,571.36 is: 7,683.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,962.28 : 10,981.50 = 5,571.36 : x
  2. Step 2: Convert to fraction form
    7,962.28/10,981.50 = 5,571.36/x
  3. Step 3: Cross multiply
    7,962.28x = 10,981.50 × 5,571.36
  4. Step 4: Simplify right side
    7,962.28x = 61,181,889.84
  5. Step 5: Solve for x
    x = 61,181,889.84/7,962.28
  6. Step 6: Final answer
    x = 7,683.97

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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.