Home / 6,147.60-9,215.64-3,026.40

Finding the Fourth Proportional to 6,147.60, 9,215.64 and 3,026.40

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Solution

The fourth proportional to 6,147.60, 9,215.64 and 3,026.40 is: 4,536.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,147.60 : 9,215.64 = 3,026.40 : x
  2. Step 2: Convert to fraction form
    6,147.60/9,215.64 = 3,026.40/x
  3. Step 3: Cross multiply
    6,147.60x = 9,215.64 × 3,026.40
  4. Step 4: Simplify right side
    6,147.60x = 27,890,212.90
  5. Step 5: Solve for x
    x = 27,890,212.90/6,147.60
  6. Step 6: Final answer
    x = 4,536.76

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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.