Home / 7,259.28-10,888.94-1,994.36

Finding the Fourth Proportional to 7,259.28, 10,888.94 and 1,994.36

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Solution

The fourth proportional to 7,259.28, 10,888.94 and 1,994.36 is: 2,991.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,259.28 : 10,888.94 = 1,994.36 : x
  2. Step 2: Convert to fraction form
    7,259.28/10,888.94 = 1,994.36/x
  3. Step 3: Cross multiply
    7,259.28x = 10,888.94 × 1,994.36
  4. Step 4: Simplify right side
    7,259.28x = 21,716,401.96
  5. Step 5: Solve for x
    x = 21,716,401.96/7,259.28
  6. Step 6: Final answer
    x = 2,991.54

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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.