Home / 4,689.39-6,468.66-2,984.75

Finding the Fourth Proportional to 4,689.39, 6,468.66 and 2,984.75

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Solution

The fourth proportional to 4,689.39, 6,468.66 and 2,984.75 is: 4,117.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,689.39 : 6,468.66 = 2,984.75 : x
  2. Step 2: Convert to fraction form
    4,689.39/6,468.66 = 2,984.75/x
  3. Step 3: Cross multiply
    4,689.39x = 6,468.66 × 2,984.75
  4. Step 4: Simplify right side
    4,689.39x = 19,307,324.85
  5. Step 5: Solve for x
    x = 19,307,324.85/4,689.39
  6. Step 6: Final answer
    x = 4,117.23

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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.