Home / 7,180.28-10,777.68-5,102.63

Finding the Fourth Proportional to 7,180.28, 10,777.68 and 5,102.63

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Solution

The fourth proportional to 7,180.28, 10,777.68 and 5,102.63 is: 7,659.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,180.28 : 10,777.68 = 5,102.63 : x
  2. Step 2: Convert to fraction form
    7,180.28/10,777.68 = 5,102.63/x
  3. Step 3: Cross multiply
    7,180.28x = 10,777.68 × 5,102.63
  4. Step 4: Simplify right side
    7,180.28x = 54,994,513.30
  5. Step 5: Solve for x
    x = 54,994,513.30/7,180.28
  6. Step 6: Final answer
    x = 7,659.10

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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.