Home / 4,721.68-7,084.85-2,223.06

Finding the Fourth Proportional to 4,721.68, 7,084.85 and 2,223.06

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Solution

The fourth proportional to 4,721.68, 7,084.85 and 2,223.06 is: 3,335.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721.68 : 7,084.85 = 2,223.06 : x
  2. Step 2: Convert to fraction form
    4,721.68/7,084.85 = 2,223.06/x
  3. Step 3: Cross multiply
    4,721.68x = 7,084.85 × 2,223.06
  4. Step 4: Simplify right side
    4,721.68x = 15,750,061.31
  5. Step 5: Solve for x
    x = 15,750,061.31/4,721.68
  6. Step 6: Final answer
    x = 3,335.69

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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.