Home / 9,150.15-13,703.25-4,979.79

Finding the Fourth Proportional to 9,150.15, 13,703.25 and 4,979.79

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Solution

The fourth proportional to 9,150.15, 13,703.25 and 4,979.79 is: 7,457.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,150.15 : 13,703.25 = 4,979.79 : x
  2. Step 2: Convert to fraction form
    9,150.15/13,703.25 = 4,979.79/x
  3. Step 3: Cross multiply
    9,150.15x = 13,703.25 × 4,979.79
  4. Step 4: Simplify right side
    9,150.15x = 68,239,307.32
  5. Step 5: Solve for x
    x = 68,239,307.32/9,150.15
  6. Step 6: Final answer
    x = 7,457.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.