Home / 4,107.20-6,160.80-3,502.40

Finding the Fourth Proportional to 4,107.20, 6,160.80 and 3,502.40

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Solution

The fourth proportional to 4,107.20, 6,160.80 and 3,502.40 is: 5,253.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,107.20 : 6,160.80 = 3,502.40 : x
  2. Step 2: Convert to fraction form
    4,107.20/6,160.80 = 3,502.40/x
  3. Step 3: Cross multiply
    4,107.20x = 6,160.80 × 3,502.40
  4. Step 4: Simplify right side
    4,107.20x = 21,577,585.92
  5. Step 5: Solve for x
    x = 21,577,585.92/4,107.20
  6. Step 6: Final answer
    x = 5,253.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.