Home / 7,528.97-11,291.64-3,144.05

Finding the Fourth Proportional to 7,528.97, 11,291.64 and 3,144.05

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Solution

The fourth proportional to 7,528.97, 11,291.64 and 3,144.05 is: 4,715.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,528.97 : 11,291.64 = 3,144.05 : x
  2. Step 2: Convert to fraction form
    7,528.97/11,291.64 = 3,144.05/x
  3. Step 3: Cross multiply
    7,528.97x = 11,291.64 × 3,144.05
  4. Step 4: Simplify right side
    7,528.97x = 35,501,480.74
  5. Step 5: Solve for x
    x = 35,501,480.74/7,528.97
  6. Step 6: Final answer
    x = 4,715.32

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.