Home / 6,814.18-9,403.52-3,981.48

Finding the Fourth Proportional to 6,814.18, 9,403.52 and 3,981.48

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Solution

The fourth proportional to 6,814.18, 9,403.52 and 3,981.48 is: 5,494.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,814.18 : 9,403.52 = 3,981.48 : x
  2. Step 2: Convert to fraction form
    6,814.18/9,403.52 = 3,981.48/x
  3. Step 3: Cross multiply
    6,814.18x = 9,403.52 × 3,981.48
  4. Step 4: Simplify right side
    6,814.18x = 37,439,926.81
  5. Step 5: Solve for x
    x = 37,439,926.81/6,814.18
  6. Step 6: Final answer
    x = 5,494.41

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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.