Home / 5,210.50-7,816.84-2,132.50

Finding the Fourth Proportional to 5,210.50, 7,816.84 and 2,132.50

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Solution

The fourth proportional to 5,210.50, 7,816.84 and 2,132.50 is: 3,199.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.50 : 7,816.84 = 2,132.50 : x
  2. Step 2: Convert to fraction form
    5,210.50/7,816.84 = 2,132.50/x
  3. Step 3: Cross multiply
    5,210.50x = 7,816.84 × 2,132.50
  4. Step 4: Simplify right side
    5,210.50x = 16,669,411.30
  5. Step 5: Solve for x
    x = 16,669,411.30/5,210.50
  6. Step 6: Final answer
    x = 3,199.20

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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.