Home / 7,797.38-10,767.57-5,007.74

Finding the Fourth Proportional to 7,797.38, 10,767.57 and 5,007.74

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Solution

The fourth proportional to 7,797.38, 10,767.57 and 5,007.74 is: 6,915.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,797.38 : 10,767.57 = 5,007.74 : x
  2. Step 2: Convert to fraction form
    7,797.38/10,767.57 = 5,007.74/x
  3. Step 3: Cross multiply
    7,797.38x = 10,767.57 × 5,007.74
  4. Step 4: Simplify right side
    7,797.38x = 53,921,190.99
  5. Step 5: Solve for x
    x = 53,921,190.99/7,797.38
  6. Step 6: Final answer
    x = 6,915.30

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Half 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.