Home / 6,920.13-10,384.44-3,635.58

Finding the Fourth Proportional to 6,920.13, 10,384.44 and 3,635.58

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Solution

The fourth proportional to 6,920.13, 10,384.44 and 3,635.58 is: 5,455.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,920.13 : 10,384.44 = 3,635.58 : x
  2. Step 2: Convert to fraction form
    6,920.13/10,384.44 = 3,635.58/x
  3. Step 3: Cross multiply
    6,920.13x = 10,384.44 × 3,635.58
  4. Step 4: Simplify right side
    6,920.13x = 37,753,462.38
  5. Step 5: Solve for x
    x = 37,753,462.38/6,920.13
  6. Step 6: Final answer
    x = 5,455.60

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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.