Home / 6,427.78-8,869.84-3,595.02

Finding the Fourth Proportional to 6,427.78, 8,869.84 and 3,595.02

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Solution

The fourth proportional to 6,427.78, 8,869.84 and 3,595.02 is: 4,960.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,427.78 : 8,869.84 = 3,595.02 : x
  2. Step 2: Convert to fraction form
    6,427.78/8,869.84 = 3,595.02/x
  3. Step 3: Cross multiply
    6,427.78x = 8,869.84 × 3,595.02
  4. Step 4: Simplify right side
    6,427.78x = 31,887,252.20
  5. Step 5: Solve for x
    x = 31,887,252.20/6,427.78
  6. Step 6: Final answer
    x = 4,960.85

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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.