Home / 7,213.06-9,952.31-4,380.36

Finding the Fourth Proportional to 7,213.06, 9,952.31 and 4,380.36

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Solution

The fourth proportional to 7,213.06, 9,952.31 and 4,380.36 is: 6,043.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,213.06 : 9,952.31 = 4,380.36 : x
  2. Step 2: Convert to fraction form
    7,213.06/9,952.31 = 4,380.36/x
  3. Step 3: Cross multiply
    7,213.06x = 9,952.31 × 4,380.36
  4. Step 4: Simplify right side
    7,213.06x = 43,594,700.63
  5. Step 5: Solve for x
    x = 43,594,700.63/7,213.06
  6. Step 6: Final answer
    x = 6,043.86

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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.