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Finding the Fourth Proportional to 5,985.09, 8,239.46 and 4,490.51

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Solution

The fourth proportional to 5,985.09, 8,239.46 and 4,490.51 is: 6,181.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,985.09 : 8,239.46 = 4,490.51 : x
  2. Step 2: Convert to fraction form
    5,985.09/8,239.46 = 4,490.51/x
  3. Step 3: Cross multiply
    5,985.09x = 8,239.46 × 4,490.51
  4. Step 4: Simplify right side
    5,985.09x = 36,999,313.87
  5. Step 5: Solve for x
    x = 36,999,313.87/5,985.09
  6. Step 6: Final answer
    x = 6,181.91

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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.