Home / 9,979.22-14,970.86-3,739.08

Finding the Fourth Proportional to 9,979.22, 14,970.86 and 3,739.08

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Solution

The fourth proportional to 9,979.22, 14,970.86 and 3,739.08 is: 5,609.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,979.22 : 14,970.86 = 3,739.08 : x
  2. Step 2: Convert to fraction form
    9,979.22/14,970.86 = 3,739.08/x
  3. Step 3: Cross multiply
    9,979.22x = 14,970.86 × 3,739.08
  4. Step 4: Simplify right side
    9,979.22x = 55,977,224.51
  5. Step 5: Solve for x
    x = 55,977,224.51/9,979.22
  6. Step 6: Final answer
    x = 5,609.38

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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.