Home / 4,721.84-7,081.32-3,795.20

Finding the Fourth Proportional to 4,721.84, 7,081.32 and 3,795.20

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Solution

The fourth proportional to 4,721.84, 7,081.32 and 3,795.20 is: 5,691.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721.84 : 7,081.32 = 3,795.20 : x
  2. Step 2: Convert to fraction form
    4,721.84/7,081.32 = 3,795.20/x
  3. Step 3: Cross multiply
    4,721.84x = 7,081.32 × 3,795.20
  4. Step 4: Simplify right side
    4,721.84x = 26,875,025.66
  5. Step 5: Solve for x
    x = 26,875,025.66/4,721.84
  6. Step 6: Final answer
    x = 5,691.64

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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.