Home / 4,775.16-7,159.83-2,142.17

Finding the Fourth Proportional to 4,775.16, 7,159.83 and 2,142.17

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Solution

The fourth proportional to 4,775.16, 7,159.83 and 2,142.17 is: 3,211.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,775.16 : 7,159.83 = 2,142.17 : x
  2. Step 2: Convert to fraction form
    4,775.16/7,159.83 = 2,142.17/x
  3. Step 3: Cross multiply
    4,775.16x = 7,159.83 × 2,142.17
  4. Step 4: Simplify right side
    4,775.16x = 15,337,573.03
  5. Step 5: Solve for x
    x = 15,337,573.03/4,775.16
  6. Step 6: Final answer
    x = 3,211.95

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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.