Home / 7,419.78-10,246.24-4,771.79

Finding the Fourth Proportional to 7,419.78, 10,246.24 and 4,771.79

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Solution

The fourth proportional to 7,419.78, 10,246.24 and 4,771.79 is: 6,589.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,419.78 : 10,246.24 = 4,771.79 : x
  2. Step 2: Convert to fraction form
    7,419.78/10,246.24 = 4,771.79/x
  3. Step 3: Cross multiply
    7,419.78x = 10,246.24 × 4,771.79
  4. Step 4: Simplify right side
    7,419.78x = 48,892,905.57
  5. Step 5: Solve for x
    x = 48,892,905.57/7,419.78
  6. Step 6: Final answer
    x = 6,589.54

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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.