Home / 7,278.78-10,920.44-3,064.25

Finding the Fourth Proportional to 7,278.78, 10,920.44 and 3,064.25

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Solution

The fourth proportional to 7,278.78, 10,920.44 and 3,064.25 is: 4,597.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,278.78 : 10,920.44 = 3,064.25 : x
  2. Step 2: Convert to fraction form
    7,278.78/10,920.44 = 3,064.25/x
  3. Step 3: Cross multiply
    7,278.78x = 10,920.44 × 3,064.25
  4. Step 4: Simplify right side
    7,278.78x = 33,462,911.33
  5. Step 5: Solve for x
    x = 33,462,911.33/7,278.78
  6. Step 6: Final answer
    x = 4,597.32

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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.