Home / 7,281.20-10,920.96-2,016.60

Finding the Fourth Proportional to 7,281.20, 10,920.96 and 2,016.60

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Solution

The fourth proportional to 7,281.20, 10,920.96 and 2,016.60 is: 3,024.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,281.20 : 10,920.96 = 2,016.60 : x
  2. Step 2: Convert to fraction form
    7,281.20/10,920.96 = 2,016.60/x
  3. Step 3: Cross multiply
    7,281.20x = 10,920.96 × 2,016.60
  4. Step 4: Simplify right side
    7,281.20x = 22,023,207.94
  5. Step 5: Solve for x
    x = 22,023,207.94/7,281.20
  6. Step 6: Final answer
    x = 3,024.67

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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.