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Finding the Fourth Proportional to 7,288.60, 10,908.60 and 5,101.60

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Solution

The fourth proportional to 7,288.60, 10,908.60 and 5,101.60 is: 7,635.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,288.60 : 10,908.60 = 5,101.60 : x
  2. Step 2: Convert to fraction form
    7,288.60/10,908.60 = 5,101.60/x
  3. Step 3: Cross multiply
    7,288.60x = 10,908.60 × 5,101.60
  4. Step 4: Simplify right side
    7,288.60x = 55,651,313.76
  5. Step 5: Solve for x
    x = 55,651,313.76/7,288.60
  6. Step 6: Final answer
    x = 7,635.39

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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.