Home / 4,032.80-6,076.64-3,318.40

Finding the Fourth Proportional to 4,032.80, 6,076.64 and 3,318.40

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Solution

The fourth proportional to 4,032.80, 6,076.64 and 3,318.40 is: 5,000.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,032.80 : 6,076.64 = 3,318.40 : x
  2. Step 2: Convert to fraction form
    4,032.80/6,076.64 = 3,318.40/x
  3. Step 3: Cross multiply
    4,032.80x = 6,076.64 × 3,318.40
  4. Step 4: Simplify right side
    4,032.80x = 20,164,722.18
  5. Step 5: Solve for x
    x = 20,164,722.18/4,032.80
  6. Step 6: Final answer
    x = 5,000.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.