Home / 4,807.58-6,634.71-2,818.78

Finding the Fourth Proportional to 4,807.58, 6,634.71 and 2,818.78

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Solution

The fourth proportional to 4,807.58, 6,634.71 and 2,818.78 is: 3,890.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,807.58 : 6,634.71 = 2,818.78 : x
  2. Step 2: Convert to fraction form
    4,807.58/6,634.71 = 2,818.78/x
  3. Step 3: Cross multiply
    4,807.58x = 6,634.71 × 2,818.78
  4. Step 4: Simplify right side
    4,807.58x = 18,701,754.68
  5. Step 5: Solve for x
    x = 18,701,754.68/4,807.58
  6. Step 6: Final answer
    x = 3,890.06

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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.