Home / 9,720.44-14,575.62-3,145.76

Finding the Fourth Proportional to 9,720.44, 14,575.62 and 3,145.76

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Solution

The fourth proportional to 9,720.44, 14,575.62 and 3,145.76 is: 4,717.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,720.44 : 14,575.62 = 3,145.76 : x
  2. Step 2: Convert to fraction form
    9,720.44/14,575.62 = 3,145.76/x
  3. Step 3: Cross multiply
    9,720.44x = 14,575.62 × 3,145.76
  4. Step 4: Simplify right side
    9,720.44x = 45,851,402.37
  5. Step 5: Solve for x
    x = 45,851,402.37/9,720.44
  6. Step 6: Final answer
    x = 4,717.01

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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.