Home / 4,046.69-5,587.95-3,111.75

Finding the Fourth Proportional to 4,046.69, 5,587.95 and 3,111.75

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Solution

The fourth proportional to 4,046.69, 5,587.95 and 3,111.75 is: 4,296.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,046.69 : 5,587.95 = 3,111.75 : x
  2. Step 2: Convert to fraction form
    4,046.69/5,587.95 = 3,111.75/x
  3. Step 3: Cross multiply
    4,046.69x = 5,587.95 × 3,111.75
  4. Step 4: Simplify right side
    4,046.69x = 17,388,315.08
  5. Step 5: Solve for x
    x = 17,388,315.08/4,046.69
  6. Step 6: Final answer
    x = 4,296.92

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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.