Home / 7,179.20-9,908.96-4,530.23

Finding the Fourth Proportional to 7,179.20, 9,908.96 and 4,530.23

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Solution

The fourth proportional to 7,179.20, 9,908.96 and 4,530.23 is: 6,252.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179.20 : 9,908.96 = 4,530.23 : x
  2. Step 2: Convert to fraction form
    7,179.20/9,908.96 = 4,530.23/x
  3. Step 3: Cross multiply
    7,179.20x = 9,908.96 × 4,530.23
  4. Step 4: Simplify right side
    7,179.20x = 44,889,795.66
  5. Step 5: Solve for x
    x = 44,889,795.66/7,179.20
  6. Step 6: Final answer
    x = 6,252.76

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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.