Home / 9,191.12-13,784.76-2,615.84

Finding the Fourth Proportional to 9,191.12, 13,784.76 and 2,615.84

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Solution

The fourth proportional to 9,191.12, 13,784.76 and 2,615.84 is: 3,923.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,191.12 : 13,784.76 = 2,615.84 : x
  2. Step 2: Convert to fraction form
    9,191.12/13,784.76 = 2,615.84/x
  3. Step 3: Cross multiply
    9,191.12x = 13,784.76 × 2,615.84
  4. Step 4: Simplify right side
    9,191.12x = 36,058,726.60
  5. Step 5: Solve for x
    x = 36,058,726.60/9,191.12
  6. Step 6: Final answer
    x = 3,923.21

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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.