Home / 5,081.91-7,008.98-3,215.67

Finding the Fourth Proportional to 5,081.91, 7,008.98 and 3,215.67

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Solution

The fourth proportional to 5,081.91, 7,008.98 and 3,215.67 is: 4,435.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081.91 : 7,008.98 = 3,215.67 : x
  2. Step 2: Convert to fraction form
    5,081.91/7,008.98 = 3,215.67/x
  3. Step 3: Cross multiply
    5,081.91x = 7,008.98 × 3,215.67
  4. Step 4: Simplify right side
    5,081.91x = 22,538,550.64
  5. Step 5: Solve for x
    x = 22,538,550.64/5,081.91
  6. Step 6: Final answer
    x = 4,435.06

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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.