Home / 7,979.06-11,010.58-4,621.61

Finding the Fourth Proportional to 7,979.06, 11,010.58 and 4,621.61

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Solution

The fourth proportional to 7,979.06, 11,010.58 and 4,621.61 is: 6,377.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979.06 : 11,010.58 = 4,621.61 : x
  2. Step 2: Convert to fraction form
    7,979.06/11,010.58 = 4,621.61/x
  3. Step 3: Cross multiply
    7,979.06x = 11,010.58 × 4,621.61
  4. Step 4: Simplify right side
    7,979.06x = 50,886,586.67
  5. Step 5: Solve for x
    x = 50,886,586.67/7,979.06
  6. Step 6: Final answer
    x = 6,377.52

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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.