Home / 7,153.82-10,730.68-2,223.45

Finding the Fourth Proportional to 7,153.82, 10,730.68 and 2,223.45

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Solution

The fourth proportional to 7,153.82, 10,730.68 and 2,223.45 is: 3,335.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,153.82 : 10,730.68 = 2,223.45 : x
  2. Step 2: Convert to fraction form
    7,153.82/10,730.68 = 2,223.45/x
  3. Step 3: Cross multiply
    7,153.82x = 10,730.68 × 2,223.45
  4. Step 4: Simplify right side
    7,153.82x = 23,859,124.89
  5. Step 5: Solve for x
    x = 23,859,124.89/7,153.82
  6. Step 6: Final answer
    x = 3,335.16

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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.