Home / 7,571.66-11,355.72-2,889.95

Finding the Fourth Proportional to 7,571.66, 11,355.72 and 2,889.95

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Solution

The fourth proportional to 7,571.66, 11,355.72 and 2,889.95 is: 4,334.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,571.66 : 11,355.72 = 2,889.95 : x
  2. Step 2: Convert to fraction form
    7,571.66/11,355.72 = 2,889.95/x
  3. Step 3: Cross multiply
    7,571.66x = 11,355.72 × 2,889.95
  4. Step 4: Simplify right side
    7,571.66x = 32,817,434.62
  5. Step 5: Solve for x
    x = 32,817,434.62/7,571.66
  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.