Home / 4,280.52-6,414.40-3,112.76

Finding the Fourth Proportional to 4,280.52, 6,414.40 and 3,112.76

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Solution

The fourth proportional to 4,280.52, 6,414.40 and 3,112.76 is: 4,664.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,280.52 : 6,414.40 = 3,112.76 : x
  2. Step 2: Convert to fraction form
    4,280.52/6,414.40 = 3,112.76/x
  3. Step 3: Cross multiply
    4,280.52x = 6,414.40 × 3,112.76
  4. Step 4: Simplify right side
    4,280.52x = 19,966,487.74
  5. Step 5: Solve for x
    x = 19,966,487.74/4,280.52
  6. Step 6: Final answer
    x = 4,664.50

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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.