Home / 5,210.12-7,191.32-3,616.88

Finding the Fourth Proportional to 5,210.12, 7,191.32 and 3,616.88

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Solution

The fourth proportional to 5,210.12, 7,191.32 and 3,616.88 is: 4,992.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.12 : 7,191.32 = 3,616.88 : x
  2. Step 2: Convert to fraction form
    5,210.12/7,191.32 = 3,616.88/x
  3. Step 3: Cross multiply
    5,210.12x = 7,191.32 × 3,616.88
  4. Step 4: Simplify right side
    5,210.12x = 26,010,141.48
  5. Step 5: Solve for x
    x = 26,010,141.48/5,210.12
  6. Step 6: Final answer
    x = 4,992.23

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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.