Home / 4,926.29-6,798.29-2,688.20

Finding the Fourth Proportional to 4,926.29, 6,798.29 and 2,688.20

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Solution

The fourth proportional to 4,926.29, 6,798.29 and 2,688.20 is: 3,709.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,926.29 : 6,798.29 = 2,688.20 : x
  2. Step 2: Convert to fraction form
    4,926.29/6,798.29 = 2,688.20/x
  3. Step 3: Cross multiply
    4,926.29x = 6,798.29 × 2,688.20
  4. Step 4: Simplify right side
    4,926.29x = 18,275,115.75
  5. Step 5: Solve for x
    x = 18,275,115.75/4,926.29
  6. Step 6: Final answer
    x = 3,709.72

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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.