Home / 5,210.39-7,191.61-3,219.75

Finding the Fourth Proportional to 5,210.39, 7,191.61 and 3,219.75

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Solution

The fourth proportional to 5,210.39, 7,191.61 and 3,219.75 is: 4,444.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.39 : 7,191.61 = 3,219.75 : x
  2. Step 2: Convert to fraction form
    5,210.39/7,191.61 = 3,219.75/x
  3. Step 3: Cross multiply
    5,210.39x = 7,191.61 × 3,219.75
  4. Step 4: Simplify right side
    5,210.39x = 23,155,178.25
  5. Step 5: Solve for x
    x = 23,155,178.25/5,210.39
  6. Step 6: Final answer
    x = 4,444.04

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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.