Home / 6,219.61-9,329.36-2,520.96

Finding the Fourth Proportional to 6,219.61, 9,329.36 and 2,520.96

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Solution

The fourth proportional to 6,219.61, 9,329.36 and 2,520.96 is: 3,781.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,219.61 : 9,329.36 = 2,520.96 : x
  2. Step 2: Convert to fraction form
    6,219.61/9,329.36 = 2,520.96/x
  3. Step 3: Cross multiply
    6,219.61x = 9,329.36 × 2,520.96
  4. Step 4: Simplify right side
    6,219.61x = 23,518,895.80
  5. Step 5: Solve for x
    x = 23,518,895.80/6,219.61
  6. Step 6: Final answer
    x = 3,781.41

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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.