Home / 8,214.71-11,336.47-4,630.79

Finding the Fourth Proportional to 8,214.71, 11,336.47 and 4,630.79

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Solution

The fourth proportional to 8,214.71, 11,336.47 and 4,630.79 is: 6,390.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,214.71 : 11,336.47 = 4,630.79 : x
  2. Step 2: Convert to fraction form
    8,214.71/11,336.47 = 4,630.79/x
  3. Step 3: Cross multiply
    8,214.71x = 11,336.47 × 4,630.79
  4. Step 4: Simplify right side
    8,214.71x = 52,496,828.68
  5. Step 5: Solve for x
    x = 52,496,828.68/8,214.71
  6. Step 6: Final answer
    x = 6,390.59

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Double scale
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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.