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Finding the Fourth Proportional to 7,116.35, 10,674.53 and 1,922.23

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Solution

The fourth proportional to 7,116.35, 10,674.53 and 1,922.23 is: 2,883.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,116.35 : 10,674.53 = 1,922.23 : x
  2. Step 2: Convert to fraction form
    7,116.35/10,674.53 = 1,922.23/x
  3. Step 3: Cross multiply
    7,116.35x = 10,674.53 × 1,922.23
  4. Step 4: Simplify right side
    7,116.35x = 20,518,872.71
  5. Step 5: Solve for x
    x = 20,518,872.71/7,116.35
  6. Step 6: Final answer
    x = 2,883.34

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Double scale
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Similar ratio
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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.