Home / 9,091.62-13,637.60-2,851.50

Finding the Fourth Proportional to 9,091.62, 13,637.60 and 2,851.50

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Solution

The fourth proportional to 9,091.62, 13,637.60 and 2,851.50 is: 4,277.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,091.62 : 13,637.60 = 2,851.50 : x
  2. Step 2: Convert to fraction form
    9,091.62/13,637.60 = 2,851.50/x
  3. Step 3: Cross multiply
    9,091.62x = 13,637.60 × 2,851.50
  4. Step 4: Simplify right side
    9,091.62x = 38,887,616.40
  5. Step 5: Solve for x
    x = 38,887,616.40/9,091.62
  6. Step 6: Final answer
    x = 4,277.30

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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.