Home / 4,797.28-6,621.90-2,808.47

Finding the Fourth Proportional to 4,797.28, 6,621.90 and 2,808.47

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Solution

The fourth proportional to 4,797.28, 6,621.90 and 2,808.47 is: 3,876.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,797.28 : 6,621.90 = 2,808.47 : x
  2. Step 2: Convert to fraction form
    4,797.28/6,621.90 = 2,808.47/x
  3. Step 3: Cross multiply
    4,797.28x = 6,621.90 × 2,808.47
  4. Step 4: Simplify right side
    4,797.28x = 18,597,429.31
  5. Step 5: Solve for x
    x = 18,597,429.31/4,797.28
  6. Step 6: Final answer
    x = 3,876.66

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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.