Home / 7,216.29-9,955.71-4,231.04

Finding the Fourth Proportional to 7,216.29, 9,955.71 and 4,231.04

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Solution

The fourth proportional to 7,216.29, 9,955.71 and 4,231.04 is: 5,837.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,216.29 : 9,955.71 = 4,231.04 : x
  2. Step 2: Convert to fraction form
    7,216.29/9,955.71 = 4,231.04/x
  3. Step 3: Cross multiply
    7,216.29x = 9,955.71 × 4,231.04
  4. Step 4: Simplify right side
    7,216.29x = 42,122,957.46
  5. Step 5: Solve for x
    x = 42,122,957.46/7,216.29
  6. Step 6: Final answer
    x = 5,837.20

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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.