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Finding the Fourth Proportional to 5,887.08, 8,831.03 and 1,990.17

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Solution

The fourth proportional to 5,887.08, 8,831.03 and 1,990.17 is: 2,985.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,887.08 : 8,831.03 = 1,990.17 : x
  2. Step 2: Convert to fraction form
    5,887.08/8,831.03 = 1,990.17/x
  3. Step 3: Cross multiply
    5,887.08x = 8,831.03 × 1,990.17
  4. Step 4: Simplify right side
    5,887.08x = 17,575,241.02
  5. Step 5: Solve for x
    x = 17,575,241.02/5,887.08
  6. Step 6: Final answer
    x = 2,985.39

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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.