Home / 4,022.36-5,543.34-3,136.76

Finding the Fourth Proportional to 4,022.36, 5,543.34 and 3,136.76

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Solution

The fourth proportional to 4,022.36, 5,543.34 and 3,136.76 is: 4,322.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,022.36 : 5,543.34 = 3,136.76 : x
  2. Step 2: Convert to fraction form
    4,022.36/5,543.34 = 3,136.76/x
  3. Step 3: Cross multiply
    4,022.36x = 5,543.34 × 3,136.76
  4. Step 4: Simplify right side
    4,022.36x = 17,388,127.18
  5. Step 5: Solve for x
    x = 17,388,127.18/4,022.36
  6. Step 6: Final answer
    x = 4,322.87

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Half scale
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Double scale
Find fourth proportional to 4,023.36, 5,544.72 and 3,137.76
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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.