Home / 9,857.89-13,603.30-5,608.36

Finding the Fourth Proportional to 9,857.89, 13,603.30 and 5,608.36

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Solution

The fourth proportional to 9,857.89, 13,603.30 and 5,608.36 is: 7,739.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,857.89 : 13,603.30 = 5,608.36 : x
  2. Step 2: Convert to fraction form
    9,857.89/13,603.30 = 5,608.36/x
  3. Step 3: Cross multiply
    9,857.89x = 13,603.30 × 5,608.36
  4. Step 4: Simplify right side
    9,857.89x = 76,292,203.59
  5. Step 5: Solve for x
    x = 76,292,203.59/9,857.89
  6. Step 6: Final answer
    x = 7,739.20

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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.