Home / 8,631.22-11,913.05-6,110.71

Finding the Fourth Proportional to 8,631.22, 11,913.05 and 6,110.71

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Solution

The fourth proportional to 8,631.22, 11,913.05 and 6,110.71 is: 8,434.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,631.22 : 11,913.05 = 6,110.71 : x
  2. Step 2: Convert to fraction form
    8,631.22/11,913.05 = 6,110.71/x
  3. Step 3: Cross multiply
    8,631.22x = 11,913.05 × 6,110.71
  4. Step 4: Simplify right side
    8,631.22x = 72,797,193.77
  5. Step 5: Solve for x
    x = 72,797,193.77/8,631.22
  6. Step 6: Final answer
    x = 8,434.17

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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.