Home / 4,327.16-6,486.34-1,985.56

Finding the Fourth Proportional to 4,327.16, 6,486.34 and 1,985.56

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Solution

The fourth proportional to 4,327.16, 6,486.34 and 1,985.56 is: 2,976.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,327.16 : 6,486.34 = 1,985.56 : x
  2. Step 2: Convert to fraction form
    4,327.16/6,486.34 = 1,985.56/x
  3. Step 3: Cross multiply
    4,327.16x = 6,486.34 × 1,985.56
  4. Step 4: Simplify right side
    4,327.16x = 12,878,996.07
  5. Step 5: Solve for x
    x = 12,878,996.07/4,327.16
  6. Step 6: Final answer
    x = 2,976.31

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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.