Home / 7,718.12-11,592.69-4,604.21

Finding the Fourth Proportional to 7,718.12, 11,592.69 and 4,604.21

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Solution

The fourth proportional to 7,718.12, 11,592.69 and 4,604.21 is: 6,915.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,718.12 : 11,592.69 = 4,604.21 : x
  2. Step 2: Convert to fraction form
    7,718.12/11,592.69 = 4,604.21/x
  3. Step 3: Cross multiply
    7,718.12x = 11,592.69 × 4,604.21
  4. Step 4: Simplify right side
    7,718.12x = 53,375,179.22
  5. Step 5: Solve for x
    x = 53,375,179.22/7,718.12
  6. Step 6: Final answer
    x = 6,915.57

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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.