Home / 4,932.50-6,807.45-2,808.55

Finding the Fourth Proportional to 4,932.50, 6,807.45 and 2,808.55

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Solution

The fourth proportional to 4,932.50, 6,807.45 and 2,808.55 is: 3,876.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,932.50 : 6,807.45 = 2,808.55 : x
  2. Step 2: Convert to fraction form
    4,932.50/6,807.45 = 2,808.55/x
  3. Step 3: Cross multiply
    4,932.50x = 6,807.45 × 2,808.55
  4. Step 4: Simplify right side
    4,932.50x = 19,119,063.70
  5. Step 5: Solve for x
    x = 19,119,063.70/4,932.50
  6. Step 6: Final answer
    x = 3,876.14

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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.