Home / 4,645.39-6,970.47-3,086.47

Finding the Fourth Proportional to 4,645.39, 6,970.47 and 3,086.47

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Solution

The fourth proportional to 4,645.39, 6,970.47 and 3,086.47 is: 4,631.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,645.39 : 6,970.47 = 3,086.47 : x
  2. Step 2: Convert to fraction form
    4,645.39/6,970.47 = 3,086.47/x
  3. Step 3: Cross multiply
    4,645.39x = 6,970.47 × 3,086.47
  4. Step 4: Simplify right side
    4,645.39x = 21,514,146.54
  5. Step 5: Solve for x
    x = 21,514,146.54/4,645.39
  6. Step 6: Final answer
    x = 4,631.29

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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.