Home / 7,146.84-9,862.66-4,003.08

Finding the Fourth Proportional to 7,146.84, 9,862.66 and 4,003.08

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Solution

The fourth proportional to 7,146.84, 9,862.66 and 4,003.08 is: 5,524.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,146.84 : 9,862.66 = 4,003.08 : x
  2. Step 2: Convert to fraction form
    7,146.84/9,862.66 = 4,003.08/x
  3. Step 3: Cross multiply
    7,146.84x = 9,862.66 × 4,003.08
  4. Step 4: Simplify right side
    7,146.84x = 39,481,016.99
  5. Step 5: Solve for x
    x = 39,481,016.99/7,146.84
  6. Step 6: Final answer
    x = 5,524.26

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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.