Home / 4,280.45-5,903.08-2,787.82

Finding the Fourth Proportional to 4,280.45, 5,903.08 and 2,787.82

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Solution

The fourth proportional to 4,280.45, 5,903.08 and 2,787.82 is: 3,844.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,280.45 : 5,903.08 = 2,787.82 : x
  2. Step 2: Convert to fraction form
    4,280.45/5,903.08 = 2,787.82/x
  3. Step 3: Cross multiply
    4,280.45x = 5,903.08 × 2,787.82
  4. Step 4: Simplify right side
    4,280.45x = 16,456,702.76
  5. Step 5: Solve for x
    x = 16,456,702.76/4,280.45
  6. Step 6: Final answer
    x = 3,844.62

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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.