Home / 6,921.23-10,384.87-3,633.55

Finding the Fourth Proportional to 6,921.23, 10,384.87 and 3,633.55

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Solution

The fourth proportional to 6,921.23, 10,384.87 and 3,633.55 is: 5,451.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,921.23 : 10,384.87 = 3,633.55 : x
  2. Step 2: Convert to fraction form
    6,921.23/10,384.87 = 3,633.55/x
  3. Step 3: Cross multiply
    6,921.23x = 10,384.87 × 3,633.55
  4. Step 4: Simplify right side
    6,921.23x = 37,733,892.46
  5. Step 5: Solve for x
    x = 37,733,892.46/6,921.23
  6. Step 6: Final answer
    x = 5,451.91

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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.