Home / 9,189.39-13,784.61-2,615.06

Finding the Fourth Proportional to 9,189.39, 13,784.61 and 2,615.06

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Solution

The fourth proportional to 9,189.39, 13,784.61 and 2,615.06 is: 3,922.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,189.39 : 13,784.61 = 2,615.06 : x
  2. Step 2: Convert to fraction form
    9,189.39/13,784.61 = 2,615.06/x
  3. Step 3: Cross multiply
    9,189.39x = 13,784.61 × 2,615.06
  4. Step 4: Simplify right side
    9,189.39x = 36,047,626.49
  5. Step 5: Solve for x
    x = 36,047,626.49/9,189.39
  6. Step 6: Final answer
    x = 3,922.74

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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.