Home / 9,259.80-13,890.42-2,686.08

Finding the Fourth Proportional to 9,259.80, 13,890.42 and 2,686.08

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Solution

The fourth proportional to 9,259.80, 13,890.42 and 2,686.08 is: 4,029.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,259.80 : 13,890.42 = 2,686.08 : x
  2. Step 2: Convert to fraction form
    9,259.80/13,890.42 = 2,686.08/x
  3. Step 3: Cross multiply
    9,259.80x = 13,890.42 × 2,686.08
  4. Step 4: Simplify right side
    9,259.80x = 37,310,779.35
  5. Step 5: Solve for x
    x = 37,310,779.35/9,259.80
  6. Step 6: Final answer
    x = 4,029.33

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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.