Home / 7,410.24-10,230.84-6,622.92

Finding the Fourth Proportional to 7,410.24, 10,230.84 and 6,622.92

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Solution

The fourth proportional to 7,410.24, 10,230.84 and 6,622.92 is: 9,143.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,410.24 : 10,230.84 = 6,622.92 : x
  2. Step 2: Convert to fraction form
    7,410.24/10,230.84 = 6,622.92/x
  3. Step 3: Cross multiply
    7,410.24x = 10,230.84 × 6,622.92
  4. Step 4: Simplify right side
    7,410.24x = 67,758,034.85
  5. Step 5: Solve for x
    x = 67,758,034.85/7,410.24
  6. Step 6: Final answer
    x = 9,143.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.