Home / 4,772.94-7,159.61-1,811.08

Finding the Fourth Proportional to 4,772.94, 7,159.61 and 1,811.08

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Solution

The fourth proportional to 4,772.94, 7,159.61 and 1,811.08 is: 2,716.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,772.94 : 7,159.61 = 1,811.08 : x
  2. Step 2: Convert to fraction form
    4,772.94/7,159.61 = 1,811.08/x
  3. Step 3: Cross multiply
    4,772.94x = 7,159.61 × 1,811.08
  4. Step 4: Simplify right side
    4,772.94x = 12,966,626.48
  5. Step 5: Solve for x
    x = 12,966,626.48/4,772.94
  6. Step 6: Final answer
    x = 2,716.70

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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.