Home / 5,184.72-7,155.57-3,862.19

Finding the Fourth Proportional to 5,184.72, 7,155.57 and 3,862.19

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Solution

The fourth proportional to 5,184.72, 7,155.57 and 3,862.19 is: 5,330.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,184.72 : 7,155.57 = 3,862.19 : x
  2. Step 2: Convert to fraction form
    5,184.72/7,155.57 = 3,862.19/x
  3. Step 3: Cross multiply
    5,184.72x = 7,155.57 × 3,862.19
  4. Step 4: Simplify right side
    5,184.72x = 27,636,135.12
  5. Step 5: Solve for x
    x = 27,636,135.12/5,184.72
  6. Step 6: Final answer
    x = 5,330.30

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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.