Home / 7,368.86-11,067.48-6,317.08

Finding the Fourth Proportional to 7,368.86, 11,067.48 and 6,317.08

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Solution

The fourth proportional to 7,368.86, 11,067.48 and 6,317.08 is: 9,487.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,368.86 : 11,067.48 = 6,317.08 : x
  2. Step 2: Convert to fraction form
    7,368.86/11,067.48 = 6,317.08/x
  3. Step 3: Cross multiply
    7,368.86x = 11,067.48 × 6,317.08
  4. Step 4: Simplify right side
    7,368.86x = 69,914,128.89
  5. Step 5: Solve for x
    x = 69,914,128.89/7,368.86
  6. Step 6: Final answer
    x = 9,487.78

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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.