Home / 5,234.78-7,852.06-2,114.72

Finding the Fourth Proportional to 5,234.78, 7,852.06 and 2,114.72

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Solution

The fourth proportional to 5,234.78, 7,852.06 and 2,114.72 is: 3,172.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,234.78 : 7,852.06 = 2,114.72 : x
  2. Step 2: Convert to fraction form
    5,234.78/7,852.06 = 2,114.72/x
  3. Step 3: Cross multiply
    5,234.78x = 7,852.06 × 2,114.72
  4. Step 4: Simplify right side
    5,234.78x = 16,604,908.32
  5. Step 5: Solve for x
    x = 16,604,908.32/5,234.78
  6. Step 6: Final answer
    x = 3,172.04

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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.