Home / 4,932.52-6,807.26-2,778.90

Finding the Fourth Proportional to 4,932.52, 6,807.26 and 2,778.90

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Solution

The fourth proportional to 4,932.52, 6,807.26 and 2,778.90 is: 3,835.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,932.52 : 6,807.26 = 2,778.90 : x
  2. Step 2: Convert to fraction form
    4,932.52/6,807.26 = 2,778.90/x
  3. Step 3: Cross multiply
    4,932.52x = 6,807.26 × 2,778.90
  4. Step 4: Simplify right side
    4,932.52x = 18,916,694.81
  5. Step 5: Solve for x
    x = 18,916,694.81/4,932.52
  6. Step 6: Final answer
    x = 3,835.10

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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.