Home / 7,513.74-11,268.77-3,131.24

Finding the Fourth Proportional to 7,513.74, 11,268.77 and 3,131.24

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Solution

The fourth proportional to 7,513.74, 11,268.77 and 3,131.24 is: 4,696.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,513.74 : 11,268.77 = 3,131.24 : x
  2. Step 2: Convert to fraction form
    7,513.74/11,268.77 = 3,131.24/x
  3. Step 3: Cross multiply
    7,513.74x = 11,268.77 × 3,131.24
  4. Step 4: Simplify right side
    7,513.74x = 35,285,151.37
  5. Step 5: Solve for x
    x = 35,285,151.37/7,513.74
  6. Step 6: Final answer
    x = 4,696.08

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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.