Home / 8,637.17-11,921.01-5,608.06

Finding the Fourth Proportional to 8,637.17, 11,921.01 and 5,608.06

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Solution

The fourth proportional to 8,637.17, 11,921.01 and 5,608.06 is: 7,740.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,637.17 : 11,921.01 = 5,608.06 : x
  2. Step 2: Convert to fraction form
    8,637.17/11,921.01 = 5,608.06/x
  3. Step 3: Cross multiply
    8,637.17x = 11,921.01 × 5,608.06
  4. Step 4: Simplify right side
    8,637.17x = 66,853,745.69
  5. Step 5: Solve for x
    x = 66,853,745.69/8,637.17
  6. Step 6: Final answer
    x = 7,740.24

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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.