Home / 7,224.28-9,969.40-4,037.64

Finding the Fourth Proportional to 7,224.28, 9,969.40 and 4,037.64

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Solution

The fourth proportional to 7,224.28, 9,969.40 and 4,037.64 is: 5,571.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,224.28 : 9,969.40 = 4,037.64 : x
  2. Step 2: Convert to fraction form
    7,224.28/9,969.40 = 4,037.64/x
  3. Step 3: Cross multiply
    7,224.28x = 9,969.40 × 4,037.64
  4. Step 4: Simplify right side
    7,224.28x = 40,252,848.22
  5. Step 5: Solve for x
    x = 40,252,848.22/7,224.28
  6. Step 6: Final answer
    x = 5,571.88

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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.