Home / 4,822.81-6,654.00-3,143.60

Finding the Fourth Proportional to 4,822.81, 6,654.00 and 3,143.60

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Solution

The fourth proportional to 4,822.81, 6,654.00 and 3,143.60 is: 4,337.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,822.81 : 6,654.00 = 3,143.60 : x
  2. Step 2: Convert to fraction form
    4,822.81/6,654.00 = 3,143.60/x
  3. Step 3: Cross multiply
    4,822.81x = 6,654.00 × 3,143.60
  4. Step 4: Simplify right side
    4,822.81x = 20,917,518.90
  5. Step 5: Solve for x
    x = 20,917,518.90/4,822.81
  6. Step 6: Final answer
    x = 4,337.21

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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.