Home / 7,226.40-10,828.08-4,627.20

Finding the Fourth Proportional to 7,226.40, 10,828.08 and 4,627.20

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Solution

The fourth proportional to 7,226.40, 10,828.08 and 4,627.20 is: 6,933.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,226.40 : 10,828.08 = 4,627.20 : x
  2. Step 2: Convert to fraction form
    7,226.40/10,828.08 = 4,627.20/x
  3. Step 3: Cross multiply
    7,226.40x = 10,828.08 × 4,627.20
  4. Step 4: Simplify right side
    7,226.40x = 50,103,691.78
  5. Step 5: Solve for x
    x = 50,103,691.78/7,226.40
  6. Step 6: Final answer
    x = 6,933.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.