Home / 7,225.07-9,969.79-4,081.26

Finding the Fourth Proportional to 7,225.07, 9,969.79 and 4,081.26

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Solution

The fourth proportional to 7,225.07, 9,969.79 and 4,081.26 is: 5,631.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,225.07 : 9,969.79 = 4,081.26 : x
  2. Step 2: Convert to fraction form
    7,225.07/9,969.79 = 4,081.26/x
  3. Step 3: Cross multiply
    7,225.07x = 9,969.79 × 4,081.26
  4. Step 4: Simplify right side
    7,225.07x = 40,689,305.14
  5. Step 5: Solve for x
    x = 40,689,305.14/7,225.07
  6. Step 6: Final answer
    x = 5,631.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.