Home / 5,251.36-7,246.89-2,861.35

Finding the Fourth Proportional to 5,251.36, 7,246.89 and 2,861.35

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Solution

The fourth proportional to 5,251.36, 7,246.89 and 2,861.35 is: 3,948.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251.36 : 7,246.89 = 2,861.35 : x
  2. Step 2: Convert to fraction form
    5,251.36/7,246.89 = 2,861.35/x
  3. Step 3: Cross multiply
    5,251.36x = 7,246.89 × 2,861.35
  4. Step 4: Simplify right side
    5,251.36x = 20,735,870.58
  5. Step 5: Solve for x
    x = 20,735,870.58/5,251.36
  6. Step 6: Final answer
    x = 3,948.67

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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.