Home / 4,270.12-6,409.14-2,191.66

Finding the Fourth Proportional to 4,270.12, 6,409.14 and 2,191.66

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Solution

The fourth proportional to 4,270.12, 6,409.14 and 2,191.66 is: 3,289.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,270.12 : 6,409.14 = 2,191.66 : x
  2. Step 2: Convert to fraction form
    4,270.12/6,409.14 = 2,191.66/x
  3. Step 3: Cross multiply
    4,270.12x = 6,409.14 × 2,191.66
  4. Step 4: Simplify right side
    4,270.12x = 14,046,655.77
  5. Step 5: Solve for x
    x = 14,046,655.77/4,270.12
  6. Step 6: Final answer
    x = 3,289.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.