Home / 4,981.71-6,877.52-2,992.75

Finding the Fourth Proportional to 4,981.71, 6,877.52 and 2,992.75

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Solution

The fourth proportional to 4,981.71, 6,877.52 and 2,992.75 is: 4,131.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981.71 : 6,877.52 = 2,992.75 : x
  2. Step 2: Convert to fraction form
    4,981.71/6,877.52 = 2,992.75/x
  3. Step 3: Cross multiply
    4,981.71x = 6,877.52 × 2,992.75
  4. Step 4: Simplify right side
    4,981.71x = 20,582,683.02
  5. Step 5: Solve for x
    x = 20,582,683.02/4,981.71
  6. Step 6: Final answer
    x = 4,131.65

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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.