Home / 7,225.03-9,971.35-4,081.42

Finding the Fourth Proportional to 7,225.03, 9,971.35 and 4,081.42

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Solution

The fourth proportional to 7,225.03, 9,971.35 and 4,081.42 is: 5,632.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,225.03 : 9,971.35 = 4,081.42 : x
  2. Step 2: Convert to fraction form
    7,225.03/9,971.35 = 4,081.42/x
  3. Step 3: Cross multiply
    7,225.03x = 9,971.35 × 4,081.42
  4. Step 4: Simplify right side
    7,225.03x = 40,697,292.54
  5. Step 5: Solve for x
    x = 40,697,292.54/7,225.03
  6. Step 6: Final answer
    x = 5,632.82

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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.