Home / 7,411.24-10,232.22-6,623.92

Finding the Fourth Proportional to 7,411.24, 10,232.22 and 6,623.92

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Solution

The fourth proportional to 7,411.24, 10,232.22 and 6,623.92 is: 9,145.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,411.24 : 10,232.22 = 6,623.92 : x
  2. Step 2: Convert to fraction form
    7,411.24/10,232.22 = 6,623.92/x
  3. Step 3: Cross multiply
    7,411.24x = 10,232.22 × 6,623.92
  4. Step 4: Simplify right side
    7,411.24x = 67,777,406.70
  5. Step 5: Solve for x
    x = 67,777,406.70/7,411.24
  6. Step 6: Final answer
    x = 9,145.22

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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.