Home / 7,998.75-11,041.52-5,212.35

Finding the Fourth Proportional to 7,998.75, 11,041.52 and 5,212.35

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Solution

The fourth proportional to 7,998.75, 11,041.52 and 5,212.35 is: 7,195.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,998.75 : 11,041.52 = 5,212.35 : x
  2. Step 2: Convert to fraction form
    7,998.75/11,041.52 = 5,212.35/x
  3. Step 3: Cross multiply
    7,998.75x = 11,041.52 × 5,212.35
  4. Step 4: Simplify right side
    7,998.75x = 57,552,240.71
  5. Step 5: Solve for x
    x = 57,552,240.71/7,998.75
  6. Step 6: Final answer
    x = 7,195.15

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Half scale
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Similar ratio
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1.5x scale

Why These Related Problems?

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