Home / 7,275.37-10,914.95-2,081.65

Finding the Fourth Proportional to 7,275.37, 10,914.95 and 2,081.65

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Solution

The fourth proportional to 7,275.37, 10,914.95 and 2,081.65 is: 3,123.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,275.37 : 10,914.95 = 2,081.65 : x
  2. Step 2: Convert to fraction form
    7,275.37/10,914.95 = 2,081.65/x
  3. Step 3: Cross multiply
    7,275.37x = 10,914.95 × 2,081.65
  4. Step 4: Simplify right side
    7,275.37x = 22,721,105.67
  5. Step 5: Solve for x
    x = 22,721,105.67/7,275.37
  6. Step 6: Final answer
    x = 3,123.02

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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.