Home / 7,167.16-10,753.44-2,784.88

Finding the Fourth Proportional to 7,167.16, 10,753.44 and 2,784.88

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Solution

The fourth proportional to 7,167.16, 10,753.44 and 2,784.88 is: 4,178.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,167.16 : 10,753.44 = 2,784.88 : x
  2. Step 2: Convert to fraction form
    7,167.16/10,753.44 = 2,784.88/x
  3. Step 3: Cross multiply
    7,167.16x = 10,753.44 × 2,784.88
  4. Step 4: Simplify right side
    7,167.16x = 29,947,039.99
  5. Step 5: Solve for x
    x = 29,947,039.99/7,167.16
  6. Step 6: Final answer
    x = 4,178.37

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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.