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Finding the Fourth Proportional to 7,627.77, 11,386.41 and 6,594.41

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Solution

The fourth proportional to 7,627.77, 11,386.41 and 6,594.41 is: 9,843.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,627.77 : 11,386.41 = 6,594.41 : x
  2. Step 2: Convert to fraction form
    7,627.77/11,386.41 = 6,594.41/x
  3. Step 3: Cross multiply
    7,627.77x = 11,386.41 × 6,594.41
  4. Step 4: Simplify right side
    7,627.77x = 75,086,659.71
  5. Step 5: Solve for x
    x = 75,086,659.71/7,627.77
  6. Step 6: Final answer
    x = 9,843.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.