Home / 7,153.14-10,722.39-2,768.90

Finding the Fourth Proportional to 7,153.14, 10,722.39 and 2,768.90

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Solution

The fourth proportional to 7,153.14, 10,722.39 and 2,768.90 is: 4,150.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,153.14 : 10,722.39 = 2,768.90 : x
  2. Step 2: Convert to fraction form
    7,153.14/10,722.39 = 2,768.90/x
  3. Step 3: Cross multiply
    7,153.14x = 10,722.39 × 2,768.90
  4. Step 4: Simplify right side
    7,153.14x = 29,689,225.67
  5. Step 5: Solve for x
    x = 29,689,225.67/7,153.14
  6. Step 6: Final answer
    x = 4,150.52

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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.