Home / 9,792.20-14,688.33-3,218.90

Finding the Fourth Proportional to 9,792.20, 14,688.33 and 3,218.90

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Solution

The fourth proportional to 9,792.20, 14,688.33 and 3,218.90 is: 4,828.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,792.20 : 14,688.33 = 3,218.90 : x
  2. Step 2: Convert to fraction form
    9,792.20/14,688.33 = 3,218.90/x
  3. Step 3: Cross multiply
    9,792.20x = 14,688.33 × 3,218.90
  4. Step 4: Simplify right side
    9,792.20x = 47,280,265.44
  5. Step 5: Solve for x
    x = 47,280,265.44/9,792.20
  6. Step 6: Final answer
    x = 4,828.36

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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.