Home / 7,805.51-11,705.33-2,539.15

Finding the Fourth Proportional to 7,805.51, 11,705.33 and 2,539.15

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Solution

The fourth proportional to 7,805.51, 11,705.33 and 2,539.15 is: 3,807.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,805.51 : 11,705.33 = 2,539.15 : x
  2. Step 2: Convert to fraction form
    7,805.51/11,705.33 = 2,539.15/x
  3. Step 3: Cross multiply
    7,805.51x = 11,705.33 × 2,539.15
  4. Step 4: Simplify right side
    7,805.51x = 29,721,530.14
  5. Step 5: Solve for x
    x = 29,721,530.14/7,805.51
  6. Step 6: Final answer
    x = 3,807.76

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1.5x scale

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.