Home / 4,039.20-6,056.64-1,440.72

Finding the Fourth Proportional to 4,039.20, 6,056.64 and 1,440.72

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Solution

The fourth proportional to 4,039.20, 6,056.64 and 1,440.72 is: 2,160.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,039.20 : 6,056.64 = 1,440.72 : x
  2. Step 2: Convert to fraction form
    4,039.20/6,056.64 = 1,440.72/x
  3. Step 3: Cross multiply
    4,039.20x = 6,056.64 × 1,440.72
  4. Step 4: Simplify right side
    4,039.20x = 8,725,922.38
  5. Step 5: Solve for x
    x = 8,725,922.38/4,039.20
  6. Step 6: Final answer
    x = 2,160.31

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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.