Home / 5,133.20-7,700.43-2,210.90

Finding the Fourth Proportional to 5,133.20, 7,700.43 and 2,210.90

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Solution

The fourth proportional to 5,133.20, 7,700.43 and 2,210.90 is: 3,316.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133.20 : 7,700.43 = 2,210.90 : x
  2. Step 2: Convert to fraction form
    5,133.20/7,700.43 = 2,210.90/x
  3. Step 3: Cross multiply
    5,133.20x = 7,700.43 × 2,210.90
  4. Step 4: Simplify right side
    5,133.20x = 17,024,880.69
  5. Step 5: Solve for x
    x = 17,024,880.69/5,133.20
  6. Step 6: Final answer
    x = 3,316.62

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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.