Home / 4,645.17-6,418.71-3,316.59

Finding the Fourth Proportional to 4,645.17, 6,418.71 and 3,316.59

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Solution

The fourth proportional to 4,645.17, 6,418.71 and 3,316.59 is: 4,582.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,645.17 : 6,418.71 = 3,316.59 : x
  2. Step 2: Convert to fraction form
    4,645.17/6,418.71 = 3,316.59/x
  3. Step 3: Cross multiply
    4,645.17x = 6,418.71 × 3,316.59
  4. Step 4: Simplify right side
    4,645.17x = 21,288,229.40
  5. Step 5: Solve for x
    x = 21,288,229.40/4,645.17
  6. Step 6: Final answer
    x = 4,582.87

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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.