Home / 4,807.64-6,634.58-2,817.80

Finding the Fourth Proportional to 4,807.64, 6,634.58 and 2,817.80

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Solution

The fourth proportional to 4,807.64, 6,634.58 and 2,817.80 is: 3,888.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,807.64 : 6,634.58 = 2,817.80 : x
  2. Step 2: Convert to fraction form
    4,807.64/6,634.58 = 2,817.80/x
  3. Step 3: Cross multiply
    4,807.64x = 6,634.58 × 2,817.80
  4. Step 4: Simplify right side
    4,807.64x = 18,694,919.52
  5. Step 5: Solve for x
    x = 18,694,919.52/4,807.64
  6. Step 6: Final answer
    x = 3,888.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.