Home / 8,108.36-11,188.70-5,985.01

Finding the Fourth Proportional to 8,108.36, 11,188.70 and 5,985.01

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Solution

The fourth proportional to 8,108.36, 11,188.70 and 5,985.01 is: 8,258.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,108.36 : 11,188.70 = 5,985.01 : x
  2. Step 2: Convert to fraction form
    8,108.36/11,188.70 = 5,985.01/x
  3. Step 3: Cross multiply
    8,108.36x = 11,188.70 × 5,985.01
  4. Step 4: Simplify right side
    8,108.36x = 66,964,487.89
  5. Step 5: Solve for x
    x = 66,964,487.89/8,108.36
  6. Step 6: Final answer
    x = 8,258.70

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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.