Home / 4,822.67-6,643.37-4,112.20

Finding the Fourth Proportional to 4,822.67, 6,643.37 and 4,112.20

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Solution

The fourth proportional to 4,822.67, 6,643.37 and 4,112.20 is: 5,664.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,822.67 : 6,643.37 = 4,112.20 : x
  2. Step 2: Convert to fraction form
    4,822.67/6,643.37 = 4,112.20/x
  3. Step 3: Cross multiply
    4,822.67x = 6,643.37 × 4,112.20
  4. Step 4: Simplify right side
    4,822.67x = 27,318,866.11
  5. Step 5: Solve for x
    x = 27,318,866.11/4,822.67
  6. Step 6: Final answer
    x = 5,664.68

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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.