Home / 4,926.50-6,798.78-2,688.29

Finding the Fourth Proportional to 4,926.50, 6,798.78 and 2,688.29

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Solution

The fourth proportional to 4,926.50, 6,798.78 and 2,688.29 is: 3,709.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,926.50 : 6,798.78 = 2,688.29 : x
  2. Step 2: Convert to fraction form
    4,926.50/6,798.78 = 2,688.29/x
  3. Step 3: Cross multiply
    4,926.50x = 6,798.78 × 2,688.29
  4. Step 4: Simplify right side
    4,926.50x = 18,277,092.29
  5. Step 5: Solve for x
    x = 18,277,092.29/4,926.50
  6. Step 6: Final answer
    x = 3,709.95

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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.