Home / 6,427.17-8,869.41-4,069.44

Finding the Fourth Proportional to 6,427.17, 8,869.41 and 4,069.44

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Solution

The fourth proportional to 6,427.17, 8,869.41 and 4,069.44 is: 5,615.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,427.17 : 8,869.41 = 4,069.44 : x
  2. Step 2: Convert to fraction form
    6,427.17/8,869.41 = 4,069.44/x
  3. Step 3: Cross multiply
    6,427.17x = 8,869.41 × 4,069.44
  4. Step 4: Simplify right side
    6,427.17x = 36,093,531.83
  5. Step 5: Solve for x
    x = 36,093,531.83/6,427.17
  6. Step 6: Final answer
    x = 5,615.77

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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.