Home / 7,154.21-10,732.67-2,223.66

Finding the Fourth Proportional to 7,154.21, 10,732.67 and 2,223.66

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Solution

The fourth proportional to 7,154.21, 10,732.67 and 2,223.66 is: 3,335.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,154.21 : 10,732.67 = 2,223.66 : x
  2. Step 2: Convert to fraction form
    7,154.21/10,732.67 = 2,223.66/x
  3. Step 3: Cross multiply
    7,154.21x = 10,732.67 × 2,223.66
  4. Step 4: Simplify right side
    7,154.21x = 23,865,814.53
  5. Step 5: Solve for x
    x = 23,865,814.53/7,154.21
  6. Step 6: Final answer
    x = 3,335.91

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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.