Home / 4,807.58-6,634.71-2,818.28

Finding the Fourth Proportional to 4,807.58, 6,634.71 and 2,818.28

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Solution

The fourth proportional to 4,807.58, 6,634.71 and 2,818.28 is: 3,889.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,807.58 : 6,634.71 = 2,818.28 : x
  2. Step 2: Convert to fraction form
    4,807.58/6,634.71 = 2,818.28/x
  3. Step 3: Cross multiply
    4,807.58x = 6,634.71 × 2,818.28
  4. Step 4: Simplify right side
    4,807.58x = 18,698,487.09
  5. Step 5: Solve for x
    x = 18,698,487.09/4,807.58
  6. Step 6: Final answer
    x = 3,889.38

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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.