Home / 6,219.60-9,329.76-2,521.68

Finding the Fourth Proportional to 6,219.60, 9,329.76 and 2,521.68

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Solution

The fourth proportional to 6,219.60, 9,329.76 and 2,521.68 is: 3,782.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,219.60 : 9,329.76 = 2,521.68 : x
  2. Step 2: Convert to fraction form
    6,219.60/9,329.76 = 2,521.68/x
  3. Step 3: Cross multiply
    6,219.60x = 9,329.76 × 2,521.68
  4. Step 4: Simplify right side
    6,219.60x = 23,526,669.20
  5. Step 5: Solve for x
    x = 23,526,669.20/6,219.60
  6. Step 6: Final answer
    x = 3,782.67

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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.