Home / 5,184.91-7,155.12-2,827.07

Finding the Fourth Proportional to 5,184.91, 7,155.12 and 2,827.07

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Solution

The fourth proportional to 5,184.91, 7,155.12 and 2,827.07 is: 3,901.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,184.91 : 7,155.12 = 2,827.07 : x
  2. Step 2: Convert to fraction form
    5,184.91/7,155.12 = 2,827.07/x
  3. Step 3: Cross multiply
    5,184.91x = 7,155.12 × 2,827.07
  4. Step 4: Simplify right side
    5,184.91x = 20,228,010.96
  5. Step 5: Solve for x
    x = 20,228,010.96/5,184.91
  6. Step 6: Final answer
    x = 3,901.32

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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.