Home / 9,091.72-13,637.18-2,851.58

Finding the Fourth Proportional to 9,091.72, 13,637.18 and 2,851.58

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Solution

The fourth proportional to 9,091.72, 13,637.18 and 2,851.58 is: 4,277.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,091.72 : 13,637.18 = 2,851.58 : x
  2. Step 2: Convert to fraction form
    9,091.72/13,637.18 = 2,851.58/x
  3. Step 3: Cross multiply
    9,091.72x = 13,637.18 × 2,851.58
  4. Step 4: Simplify right side
    9,091.72x = 38,887,509.74
  5. Step 5: Solve for x
    x = 38,887,509.74/9,091.72
  6. Step 6: Final answer
    x = 4,277.24

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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.