Home / 9,005.31-13,507.56-2,765.07

Finding the Fourth Proportional to 9,005.31, 13,507.56 and 2,765.07

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Solution

The fourth proportional to 9,005.31, 13,507.56 and 2,765.07 is: 4,147.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,005.31 : 13,507.56 = 2,765.07 : x
  2. Step 2: Convert to fraction form
    9,005.31/13,507.56 = 2,765.07/x
  3. Step 3: Cross multiply
    9,005.31x = 13,507.56 × 2,765.07
  4. Step 4: Simplify right side
    9,005.31x = 37,349,348.93
  5. Step 5: Solve for x
    x = 37,349,348.93/9,005.31
  6. Step 6: Final answer
    x = 4,147.48

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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.