Home / 4,815.38-7,212.08-4,334.24

Finding the Fourth Proportional to 4,815.38, 7,212.08 and 4,334.24

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Solution

The fourth proportional to 4,815.38, 7,212.08 and 4,334.24 is: 6,491.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.38 : 7,212.08 = 4,334.24 : x
  2. Step 2: Convert to fraction form
    4,815.38/7,212.08 = 4,334.24/x
  3. Step 3: Cross multiply
    4,815.38x = 7,212.08 × 4,334.24
  4. Step 4: Simplify right side
    4,815.38x = 31,258,885.62
  5. Step 5: Solve for x
    x = 31,258,885.62/4,815.38
  6. Step 6: Final answer
    x = 6,491.47

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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.