Home / 5,442.39-7,511.12-3,677.60

Finding the Fourth Proportional to 5,442.39, 7,511.12 and 3,677.60

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Solution

The fourth proportional to 5,442.39, 7,511.12 and 3,677.60 is: 5,075.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,442.39 : 7,511.12 = 3,677.60 : x
  2. Step 2: Convert to fraction form
    5,442.39/7,511.12 = 3,677.60/x
  3. Step 3: Cross multiply
    5,442.39x = 7,511.12 × 3,677.60
  4. Step 4: Simplify right side
    5,442.39x = 27,622,909.09
  5. Step 5: Solve for x
    x = 27,622,909.09/5,442.39
  6. Step 6: Final answer
    x = 5,075.51

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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.