Home / 7,001.28-9,660.36-5,322.24

Finding the Fourth Proportional to 7,001.28, 9,660.36 and 5,322.24

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Solution

The fourth proportional to 7,001.28, 9,660.36 and 5,322.24 is: 7,343.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,001.28 : 9,660.36 = 5,322.24 : x
  2. Step 2: Convert to fraction form
    7,001.28/9,660.36 = 5,322.24/x
  3. Step 3: Cross multiply
    7,001.28x = 9,660.36 × 5,322.24
  4. Step 4: Simplify right side
    7,001.28x = 51,414,754.41
  5. Step 5: Solve for x
    x = 51,414,754.41/7,001.28
  6. Step 6: Final answer
    x = 7,343.62

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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.