Home / 4,748.10-7,112.88-2,894.62

Finding the Fourth Proportional to 4,748.10, 7,112.88 and 2,894.62

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Solution

The fourth proportional to 4,748.10, 7,112.88 and 2,894.62 is: 4,336.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,748.10 : 7,112.88 = 2,894.62 : x
  2. Step 2: Convert to fraction form
    4,748.10/7,112.88 = 2,894.62/x
  3. Step 3: Cross multiply
    4,748.10x = 7,112.88 × 2,894.62
  4. Step 4: Simplify right side
    4,748.10x = 20,589,084.71
  5. Step 5: Solve for x
    x = 20,589,084.71/4,748.10
  6. Step 6: Final answer
    x = 4,336.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.