Home / 9,127.09-12,594.31-5,147.97

Finding the Fourth Proportional to 9,127.09, 12,594.31 and 5,147.97

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Solution

The fourth proportional to 9,127.09, 12,594.31 and 5,147.97 is: 7,103.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,127.09 : 12,594.31 = 5,147.97 : x
  2. Step 2: Convert to fraction form
    9,127.09/12,594.31 = 5,147.97/x
  3. Step 3: Cross multiply
    9,127.09x = 12,594.31 × 5,147.97
  4. Step 4: Simplify right side
    9,127.09x = 64,835,130.05
  5. Step 5: Solve for x
    x = 64,835,130.05/9,127.09
  6. Step 6: Final answer
    x = 7,103.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.