Home / 4,640.15-6,958.17-2,172.98

Finding the Fourth Proportional to 4,640.15, 6,958.17 and 2,172.98

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Solution

The fourth proportional to 4,640.15, 6,958.17 and 2,172.98 is: 3,258.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,640.15 : 6,958.17 = 2,172.98 : x
  2. Step 2: Convert to fraction form
    4,640.15/6,958.17 = 2,172.98/x
  3. Step 3: Cross multiply
    4,640.15x = 6,958.17 × 2,172.98
  4. Step 4: Simplify right side
    4,640.15x = 15,119,929.46
  5. Step 5: Solve for x
    x = 15,119,929.46/4,640.15
  6. Step 6: Final answer
    x = 3,258.50

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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.