Home / 6,455.30-8,907.95-3,622.41

Finding the Fourth Proportional to 6,455.30, 8,907.95 and 3,622.41

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Solution

The fourth proportional to 6,455.30, 8,907.95 and 3,622.41 is: 4,998.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,455.30 : 8,907.95 = 3,622.41 : x
  2. Step 2: Convert to fraction form
    6,455.30/8,907.95 = 3,622.41/x
  3. Step 3: Cross multiply
    6,455.30x = 8,907.95 × 3,622.41
  4. Step 4: Simplify right side
    6,455.30x = 32,268,256.22
  5. Step 5: Solve for x
    x = 32,268,256.22/6,455.30
  6. Step 6: Final answer
    x = 4,998.72

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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.