Home / 4,555.83-6,287.32-2,787.78

Finding the Fourth Proportional to 4,555.83, 6,287.32 and 2,787.78

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Solution

The fourth proportional to 4,555.83, 6,287.32 and 2,787.78 is: 3,847.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,555.83 : 6,287.32 = 2,787.78 : x
  2. Step 2: Convert to fraction form
    4,555.83/6,287.32 = 2,787.78/x
  3. Step 3: Cross multiply
    4,555.83x = 6,287.32 × 2,787.78
  4. Step 4: Simplify right side
    4,555.83x = 17,527,657.98
  5. Step 5: Solve for x
    x = 17,527,657.98/4,555.83
  6. Step 6: Final answer
    x = 3,847.30

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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.