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Finding the Fourth Proportional to 6,518.66, 8,999.24 and 5,099.34

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Solution

The fourth proportional to 6,518.66, 8,999.24 and 5,099.34 is: 7,039.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518.66 : 8,999.24 = 5,099.34 : x
  2. Step 2: Convert to fraction form
    6,518.66/8,999.24 = 5,099.34/x
  3. Step 3: Cross multiply
    6,518.66x = 8,999.24 × 5,099.34
  4. Step 4: Simplify right side
    6,518.66x = 45,890,185.16
  5. Step 5: Solve for x
    x = 45,890,185.16/6,518.66
  6. Step 6: Final answer
    x = 7,039.82

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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.