Home / 7,836.75-10,815.12-4,693.14

Finding the Fourth Proportional to 7,836.75, 10,815.12 and 4,693.14

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Solution

The fourth proportional to 7,836.75, 10,815.12 and 4,693.14 is: 6,476.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,836.75 : 10,815.12 = 4,693.14 : x
  2. Step 2: Convert to fraction form
    7,836.75/10,815.12 = 4,693.14/x
  3. Step 3: Cross multiply
    7,836.75x = 10,815.12 × 4,693.14
  4. Step 4: Simplify right side
    7,836.75x = 50,756,872.28
  5. Step 5: Solve for x
    x = 50,756,872.28/7,836.75
  6. Step 6: Final answer
    x = 6,476.78

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.