Home / 7,140.60-10,709.01-3,244.14

Finding the Fourth Proportional to 7,140.60, 10,709.01 and 3,244.14

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Solution

The fourth proportional to 7,140.60, 10,709.01 and 3,244.14 is: 4,865.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,140.60 : 10,709.01 = 3,244.14 : x
  2. Step 2: Convert to fraction form
    7,140.60/10,709.01 = 3,244.14/x
  3. Step 3: Cross multiply
    7,140.60x = 10,709.01 × 3,244.14
  4. Step 4: Simplify right side
    7,140.60x = 34,741,527.70
  5. Step 5: Solve for x
    x = 34,741,527.70/7,140.60
  6. Step 6: Final answer
    x = 4,865.35

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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.