Home / 5,184.95-7,155.21-2,827.08

Finding the Fourth Proportional to 5,184.95, 7,155.21 and 2,827.08

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Solution

The fourth proportional to 5,184.95, 7,155.21 and 2,827.08 is: 3,901.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,184.95 : 7,155.21 = 2,827.08 : x
  2. Step 2: Convert to fraction form
    5,184.95/7,155.21 = 2,827.08/x
  3. Step 3: Cross multiply
    5,184.95x = 7,155.21 × 2,827.08
  4. Step 4: Simplify right side
    5,184.95x = 20,228,351.09
  5. Step 5: Solve for x
    x = 20,228,351.09/5,184.95
  6. Step 6: Final answer
    x = 3,901.36

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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.