Home / 5,106.25-7,046.63-3,116.49

Finding the Fourth Proportional to 5,106.25, 7,046.63 and 3,116.49

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Solution

The fourth proportional to 5,106.25, 7,046.63 and 3,116.49 is: 4,300.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,106.25 : 7,046.63 = 3,116.49 : x
  2. Step 2: Convert to fraction form
    5,106.25/7,046.63 = 3,116.49/x
  3. Step 3: Cross multiply
    5,106.25x = 7,046.63 × 3,116.49
  4. Step 4: Simplify right side
    5,106.25x = 21,960,751.93
  5. Step 5: Solve for x
    x = 21,960,751.93/5,106.25
  6. Step 6: Final answer
    x = 4,300.76

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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.