Home / 7,824.30-10,797.38-4,839.35

Finding the Fourth Proportional to 7,824.30, 10,797.38 and 4,839.35

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Solution

The fourth proportional to 7,824.30, 10,797.38 and 4,839.35 is: 6,678.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,824.30 : 10,797.38 = 4,839.35 : x
  2. Step 2: Convert to fraction form
    7,824.30/10,797.38 = 4,839.35/x
  3. Step 3: Cross multiply
    7,824.30x = 10,797.38 × 4,839.35
  4. Step 4: Simplify right side
    7,824.30x = 52,252,240.87
  5. Step 5: Solve for x
    x = 52,252,240.87/7,824.30
  6. Step 6: Final answer
    x = 6,678.20

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Half scale
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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.