Home / 7,170.30-9,894.46-4,025.88

Finding the Fourth Proportional to 7,170.30, 9,894.46 and 4,025.88

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Solution

The fourth proportional to 7,170.30, 9,894.46 and 4,025.88 is: 5,555.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,170.30 : 9,894.46 = 4,025.88 : x
  2. Step 2: Convert to fraction form
    7,170.30/9,894.46 = 4,025.88/x
  3. Step 3: Cross multiply
    7,170.30x = 9,894.46 × 4,025.88
  4. Step 4: Simplify right side
    7,170.30x = 39,833,908.62
  5. Step 5: Solve for x
    x = 39,833,908.62/7,170.30
  6. Step 6: Final answer
    x = 5,555.40

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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.