Home / 4,088.58-5,640.57-2,847.30

Finding the Fourth Proportional to 4,088.58, 5,640.57 and 2,847.30

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Solution

The fourth proportional to 4,088.58, 5,640.57 and 2,847.30 is: 3,928.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,088.58 : 5,640.57 = 2,847.30 : x
  2. Step 2: Convert to fraction form
    4,088.58/5,640.57 = 2,847.30/x
  3. Step 3: Cross multiply
    4,088.58x = 5,640.57 × 2,847.30
  4. Step 4: Simplify right side
    4,088.58x = 16,060,394.96
  5. Step 5: Solve for x
    x = 16,060,394.96/4,088.58
  6. Step 6: Final answer
    x = 3,928.11

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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.