Home / 5,146.92-7,716.28-2,223.18

Finding the Fourth Proportional to 5,146.92, 7,716.28 and 2,223.18

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Solution

The fourth proportional to 5,146.92, 7,716.28 and 2,223.18 is: 3,333.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,146.92 : 7,716.28 = 2,223.18 : x
  2. Step 2: Convert to fraction form
    5,146.92/7,716.28 = 2,223.18/x
  3. Step 3: Cross multiply
    5,146.92x = 7,716.28 × 2,223.18
  4. Step 4: Simplify right side
    5,146.92x = 17,154,679.37
  5. Step 5: Solve for x
    x = 17,154,679.37/5,146.92
  6. Step 6: Final answer
    x = 3,333.00

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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.