Home / 5,445.68-7,511.40-4,324.82

Finding the Fourth Proportional to 5,445.68, 7,511.40 and 4,324.82

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Solution

The fourth proportional to 5,445.68, 7,511.40 and 4,324.82 is: 5,965.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.68 : 7,511.40 = 4,324.82 : x
  2. Step 2: Convert to fraction form
    5,445.68/7,511.40 = 4,324.82/x
  3. Step 3: Cross multiply
    5,445.68x = 7,511.40 × 4,324.82
  4. Step 4: Simplify right side
    5,445.68x = 32,485,415.39
  5. Step 5: Solve for x
    x = 32,485,415.39/5,445.68
  6. Step 6: Final answer
    x = 5,965.36

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Half scale
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Double scale
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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.