Home / 7,213.47-9,955.35-4,229.43

Finding the Fourth Proportional to 7,213.47, 9,955.35 and 4,229.43

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Solution

The fourth proportional to 7,213.47, 9,955.35 and 4,229.43 is: 5,837.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,213.47 : 9,955.35 = 4,229.43 : x
  2. Step 2: Convert to fraction form
    7,213.47/9,955.35 = 4,229.43/x
  3. Step 3: Cross multiply
    7,213.47x = 9,955.35 × 4,229.43
  4. Step 4: Simplify right side
    7,213.47x = 42,105,455.95
  5. Step 5: Solve for x
    x = 42,105,455.95/7,213.47
  6. Step 6: Final answer
    x = 5,837.06

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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.