Home / 4,926.78-6,798.96-2,688.60

Finding the Fourth Proportional to 4,926.78, 6,798.96 and 2,688.60

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Solution

The fourth proportional to 4,926.78, 6,798.96 and 2,688.60 is: 3,710.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,926.78 : 6,798.96 = 2,688.60 : x
  2. Step 2: Convert to fraction form
    4,926.78/6,798.96 = 2,688.60/x
  3. Step 3: Cross multiply
    4,926.78x = 6,798.96 × 2,688.60
  4. Step 4: Simplify right side
    4,926.78x = 18,279,683.86
  5. Step 5: Solve for x
    x = 18,279,683.86/4,926.78
  6. Step 6: Final answer
    x = 3,710.27

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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.