Home / 4,812.88-6,642.38-2,717.44

Finding the Fourth Proportional to 4,812.88, 6,642.38 and 2,717.44

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Solution

The fourth proportional to 4,812.88, 6,642.38 and 2,717.44 is: 3,750.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.88 : 6,642.38 = 2,717.44 : x
  2. Step 2: Convert to fraction form
    4,812.88/6,642.38 = 2,717.44/x
  3. Step 3: Cross multiply
    4,812.88x = 6,642.38 × 2,717.44
  4. Step 4: Simplify right side
    4,812.88x = 18,050,269.11
  5. Step 5: Solve for x
    x = 18,050,269.11/4,812.88
  6. Step 6: Final answer
    x = 3,750.41

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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.