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Finding the Fourth Proportional to 6,722.74, 10,084.10 and 1,792.40

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Solution

The fourth proportional to 6,722.74, 10,084.10 and 1,792.40 is: 2,688.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,722.74 : 10,084.10 = 1,792.40 : x
  2. Step 2: Convert to fraction form
    6,722.74/10,084.10 = 1,792.40/x
  3. Step 3: Cross multiply
    6,722.74x = 10,084.10 × 1,792.40
  4. Step 4: Simplify right side
    6,722.74x = 18,074,740.84
  5. Step 5: Solve for x
    x = 18,074,740.84/6,722.74
  6. Step 6: Final answer
    x = 2,688.60

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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.