Home / 6,772.10-10,156.20-2,387.12

Finding the Fourth Proportional to 6,772.10, 10,156.20 and 2,387.12

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Solution

The fourth proportional to 6,772.10, 10,156.20 and 2,387.12 is: 3,579.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,772.10 : 10,156.20 = 2,387.12 : x
  2. Step 2: Convert to fraction form
    6,772.10/10,156.20 = 2,387.12/x
  3. Step 3: Cross multiply
    6,772.10x = 10,156.20 × 2,387.12
  4. Step 4: Simplify right side
    6,772.10x = 24,244,068.14
  5. Step 5: Solve for x
    x = 24,244,068.14/6,772.10
  6. Step 6: Final answer
    x = 3,579.99

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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.