Home / 4,554.43-6,285.57-2,787.20

Finding the Fourth Proportional to 4,554.43, 6,285.57 and 2,787.20

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Solution

The fourth proportional to 4,554.43, 6,285.57 and 2,787.20 is: 3,846.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,554.43 : 6,285.57 = 2,787.20 : x
  2. Step 2: Convert to fraction form
    4,554.43/6,285.57 = 2,787.20/x
  3. Step 3: Cross multiply
    4,554.43x = 6,285.57 × 2,787.20
  4. Step 4: Simplify right side
    4,554.43x = 17,519,140.70
  5. Step 5: Solve for x
    x = 17,519,140.70/4,554.43
  6. Step 6: Final answer
    x = 3,846.62

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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.