Home / 7,557.58-11,334.57-2,878.21

Finding the Fourth Proportional to 7,557.58, 11,334.57 and 2,878.21

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Solution

The fourth proportional to 7,557.58, 11,334.57 and 2,878.21 is: 4,316.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,557.58 : 11,334.57 = 2,878.21 : x
  2. Step 2: Convert to fraction form
    7,557.58/11,334.57 = 2,878.21/x
  3. Step 3: Cross multiply
    7,557.58x = 11,334.57 × 2,878.21
  4. Step 4: Simplify right side
    7,557.58x = 32,623,272.72
  5. Step 5: Solve for x
    x = 32,623,272.72/7,557.58
  6. Step 6: Final answer
    x = 4,316.63

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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.