Home / 8,390.64-12,577.75-3,464.43

Finding the Fourth Proportional to 8,390.64, 12,577.75 and 3,464.43

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Solution

The fourth proportional to 8,390.64, 12,577.75 and 3,464.43 is: 5,193.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,390.64 : 12,577.75 = 3,464.43 : x
  2. Step 2: Convert to fraction form
    8,390.64/12,577.75 = 3,464.43/x
  3. Step 3: Cross multiply
    8,390.64x = 12,577.75 × 3,464.43
  4. Step 4: Simplify right side
    8,390.64x = 43,574,734.43
  5. Step 5: Solve for x
    x = 43,574,734.43/8,390.64
  6. Step 6: Final answer
    x = 5,193.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.