Home / 5,442.84-7,511.08-3,084.96

Finding the Fourth Proportional to 5,442.84, 7,511.08 and 3,084.96

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Solution

The fourth proportional to 5,442.84, 7,511.08 and 3,084.96 is: 4,257.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,442.84 : 7,511.08 = 3,084.96 : x
  2. Step 2: Convert to fraction form
    5,442.84/7,511.08 = 3,084.96/x
  3. Step 3: Cross multiply
    5,442.84x = 7,511.08 × 3,084.96
  4. Step 4: Simplify right side
    5,442.84x = 23,171,381.36
  5. Step 5: Solve for x
    x = 23,171,381.36/5,442.84
  6. Step 6: Final answer
    x = 4,257.22

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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.