Home / 7,486.29-11,209.19-5,015.79

Finding the Fourth Proportional to 7,486.29, 11,209.19 and 5,015.79

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Solution

The fourth proportional to 7,486.29, 11,209.19 and 5,015.79 is: 7,510.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.29 : 11,209.19 = 5,015.79 : x
  2. Step 2: Convert to fraction form
    7,486.29/11,209.19 = 5,015.79/x
  3. Step 3: Cross multiply
    7,486.29x = 11,209.19 × 5,015.79
  4. Step 4: Simplify right side
    7,486.29x = 56,222,918.03
  5. Step 5: Solve for x
    x = 56,222,918.03/7,486.29
  6. Step 6: Final answer
    x = 7,510.12

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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.