Home / 7,272.84-10,909.97-2,889.32

Finding the Fourth Proportional to 7,272.84, 10,909.97 and 2,889.32

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Solution

The fourth proportional to 7,272.84, 10,909.97 and 2,889.32 is: 4,334.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272.84 : 10,909.97 = 2,889.32 : x
  2. Step 2: Convert to fraction form
    7,272.84/10,909.97 = 2,889.32/x
  3. Step 3: Cross multiply
    7,272.84x = 10,909.97 × 2,889.32
  4. Step 4: Simplify right side
    7,272.84x = 31,522,325.52
  5. Step 5: Solve for x
    x = 31,522,325.52/7,272.84
  6. Step 6: Final answer
    x = 4,334.25

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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.