Home / 7,209.60-10,821.08-4,441.67

Finding the Fourth Proportional to 7,209.60, 10,821.08 and 4,441.67

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Solution

The fourth proportional to 7,209.60, 10,821.08 and 4,441.67 is: 6,666.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,209.60 : 10,821.08 = 4,441.67 : x
  2. Step 2: Convert to fraction form
    7,209.60/10,821.08 = 4,441.67/x
  3. Step 3: Cross multiply
    7,209.60x = 10,821.08 × 4,441.67
  4. Step 4: Simplify right side
    7,209.60x = 48,063,666.40
  5. Step 5: Solve for x
    x = 48,063,666.40/7,209.60
  6. Step 6: Final answer
    x = 6,666.62

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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.