Home / 7,708.10-10,627.54-6,433.82

Finding the Fourth Proportional to 7,708.10, 10,627.54 and 6,433.82

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Solution

The fourth proportional to 7,708.10, 10,627.54 and 6,433.82 is: 8,870.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,708.10 : 10,627.54 = 6,433.82 : x
  2. Step 2: Convert to fraction form
    7,708.10/10,627.54 = 6,433.82/x
  3. Step 3: Cross multiply
    7,708.10x = 10,627.54 × 6,433.82
  4. Step 4: Simplify right side
    7,708.10x = 68,375,679.40
  5. Step 5: Solve for x
    x = 68,375,679.40/7,708.10
  6. Step 6: Final answer
    x = 8,870.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.