Home / 5,276.76-7,908.27-2,153.10

Finding the Fourth Proportional to 5,276.76, 7,908.27 and 2,153.10

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Solution

The fourth proportional to 5,276.76, 7,908.27 and 2,153.10 is: 3,226.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.76 : 7,908.27 = 2,153.10 : x
  2. Step 2: Convert to fraction form
    5,276.76/7,908.27 = 2,153.10/x
  3. Step 3: Cross multiply
    5,276.76x = 7,908.27 × 2,153.10
  4. Step 4: Simplify right side
    5,276.76x = 17,027,296.14
  5. Step 5: Solve for x
    x = 17,027,296.14/5,276.76
  6. Step 6: Final answer
    x = 3,226.85

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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.