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Finding the Fourth Proportional to 4,869.77, 7,297.22 and 2,891.50

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Solution

The fourth proportional to 4,869.77, 7,297.22 and 2,891.50 is: 4,332.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,869.77 : 7,297.22 = 2,891.50 : x
  2. Step 2: Convert to fraction form
    4,869.77/7,297.22 = 2,891.50/x
  3. Step 3: Cross multiply
    4,869.77x = 7,297.22 × 2,891.50
  4. Step 4: Simplify right side
    4,869.77x = 21,099,952.59
  5. Step 5: Solve for x
    x = 21,099,952.59/4,869.77
  6. Step 6: Final answer
    x = 4,332.84

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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.