Home / 7,409.28-10,226.88-4,266.72

Finding the Fourth Proportional to 7,409.28, 10,226.88 and 4,266.72

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Solution

The fourth proportional to 7,409.28, 10,226.88 and 4,266.72 is: 5,889.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,409.28 : 10,226.88 = 4,266.72 : x
  2. Step 2: Convert to fraction form
    7,409.28/10,226.88 = 4,266.72/x
  3. Step 3: Cross multiply
    7,409.28x = 10,226.88 × 4,266.72
  4. Step 4: Simplify right side
    7,409.28x = 43,635,233.43
  5. Step 5: Solve for x
    x = 43,635,233.43/7,409.28
  6. Step 6: Final answer
    x = 5,889.27

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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.