Home / 9,719.28-14,575.32-3,477.60

Finding the Fourth Proportional to 9,719.28, 14,575.32 and 3,477.60

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Solution

The fourth proportional to 9,719.28, 14,575.32 and 3,477.60 is: 5,215.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,719.28 : 14,575.32 = 3,477.60 : x
  2. Step 2: Convert to fraction form
    9,719.28/14,575.32 = 3,477.60/x
  3. Step 3: Cross multiply
    9,719.28x = 14,575.32 × 3,477.60
  4. Step 4: Simplify right side
    9,719.28x = 50,687,132.83
  5. Step 5: Solve for x
    x = 50,687,132.83/9,719.28
  6. Step 6: Final answer
    x = 5,215.11

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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.