Home / 7,779.36-11,670.78-2,232.29

Finding the Fourth Proportional to 7,779.36, 11,670.78 and 2,232.29

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Solution

The fourth proportional to 7,779.36, 11,670.78 and 2,232.29 is: 3,348.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,779.36 : 11,670.78 = 2,232.29 : x
  2. Step 2: Convert to fraction form
    7,779.36/11,670.78 = 2,232.29/x
  3. Step 3: Cross multiply
    7,779.36x = 11,670.78 × 2,232.29
  4. Step 4: Simplify right side
    7,779.36x = 26,052,507.13
  5. Step 5: Solve for x
    x = 26,052,507.13/7,779.36
  6. Step 6: Final answer
    x = 3,348.93

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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.