Home / 4,128.11-5,693.49-3,331.23

Finding the Fourth Proportional to 4,128.11, 5,693.49 and 3,331.23

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Solution

The fourth proportional to 4,128.11, 5,693.49 and 3,331.23 is: 4,594.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.11 : 5,693.49 = 3,331.23 : x
  2. Step 2: Convert to fraction form
    4,128.11/5,693.49 = 3,331.23/x
  3. Step 3: Cross multiply
    4,128.11x = 5,693.49 × 3,331.23
  4. Step 4: Simplify right side
    4,128.11x = 18,966,303.34
  5. Step 5: Solve for x
    x = 18,966,303.34/4,128.11
  6. Step 6: Final answer
    x = 4,594.42

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Half scale
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Double scale
Find fourth proportional to 4,129.11, 5,694.87 and 3,332.23
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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.