Home / 7,388.36-11,074.53-3,642.74

Finding the Fourth Proportional to 7,388.36, 11,074.53 and 3,642.74

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Solution

The fourth proportional to 7,388.36, 11,074.53 and 3,642.74 is: 5,460.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388.36 : 11,074.53 = 3,642.74 : x
  2. Step 2: Convert to fraction form
    7,388.36/11,074.53 = 3,642.74/x
  3. Step 3: Cross multiply
    7,388.36x = 11,074.53 × 3,642.74
  4. Step 4: Simplify right side
    7,388.36x = 40,341,633.41
  5. Step 5: Solve for x
    x = 40,341,633.41/7,388.36
  6. Step 6: Final answer
    x = 5,460.16

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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.