Home / 7,423.20-10,243.62-4,065.84

Finding the Fourth Proportional to 7,423.20, 10,243.62 and 4,065.84

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Solution

The fourth proportional to 7,423.20, 10,243.62 and 4,065.84 is: 5,610.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.20 : 10,243.62 = 4,065.84 : x
  2. Step 2: Convert to fraction form
    7,423.20/10,243.62 = 4,065.84/x
  3. Step 3: Cross multiply
    7,423.20x = 10,243.62 × 4,065.84
  4. Step 4: Simplify right side
    7,423.20x = 41,648,919.94
  5. Step 5: Solve for x
    x = 41,648,919.94/7,423.20
  6. Step 6: Final answer
    x = 5,610.64

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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.