Home / 5,184.90-7,155.30-3,196.62

Finding the Fourth Proportional to 5,184.90, 7,155.30 and 3,196.62

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Solution

The fourth proportional to 5,184.90, 7,155.30 and 3,196.62 is: 4,411.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,184.90 : 7,155.30 = 3,196.62 : x
  2. Step 2: Convert to fraction form
    5,184.90/7,155.30 = 3,196.62/x
  3. Step 3: Cross multiply
    5,184.90x = 7,155.30 × 3,196.62
  4. Step 4: Simplify right side
    5,184.90x = 22,872,775.09
  5. Step 5: Solve for x
    x = 22,872,775.09/5,184.90
  6. Step 6: Final answer
    x = 4,411.42

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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.