Home / 7,212.93-10,821.59-3,514.62

Finding the Fourth Proportional to 7,212.93, 10,821.59 and 3,514.62

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Solution

The fourth proportional to 7,212.93, 10,821.59 and 3,514.62 is: 5,273.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,212.93 : 10,821.59 = 3,514.62 : x
  2. Step 2: Convert to fraction form
    7,212.93/10,821.59 = 3,514.62/x
  3. Step 3: Cross multiply
    7,212.93x = 10,821.59 × 3,514.62
  4. Step 4: Simplify right side
    7,212.93x = 38,033,776.65
  5. Step 5: Solve for x
    x = 38,033,776.65/7,212.93
  6. Step 6: Final answer
    x = 5,273.00

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1.5x scale

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.