Home / 7,716.39-11,574.59-2,170.30

Finding the Fourth Proportional to 7,716.39, 11,574.59 and 2,170.30

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Solution

The fourth proportional to 7,716.39, 11,574.59 and 2,170.30 is: 3,255.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,716.39 : 11,574.59 = 2,170.30 : x
  2. Step 2: Convert to fraction form
    7,716.39/11,574.59 = 2,170.30/x
  3. Step 3: Cross multiply
    7,716.39x = 11,574.59 × 2,170.30
  4. Step 4: Simplify right side
    7,716.39x = 25,120,332.68
  5. Step 5: Solve for x
    x = 25,120,332.68/7,716.39
  6. Step 6: Final answer
    x = 3,255.45

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Half scale
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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.