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Finding the Fourth Proportional to 5,999.88, 8,279.28 and 3,347.40

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Solution

The fourth proportional to 5,999.88, 8,279.28 and 3,347.40 is: 4,619.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,999.88 : 8,279.28 = 3,347.40 : x
  2. Step 2: Convert to fraction form
    5,999.88/8,279.28 = 3,347.40/x
  3. Step 3: Cross multiply
    5,999.88x = 8,279.28 × 3,347.40
  4. Step 4: Simplify right side
    5,999.88x = 27,714,061.87
  5. Step 5: Solve for x
    x = 27,714,061.87/5,999.88
  6. Step 6: Final answer
    x = 4,619.10

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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.