Home / 9,646.32-14,467.84-2,719.20

Finding the Fourth Proportional to 9,646.32, 14,467.84 and 2,719.20

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Solution

The fourth proportional to 9,646.32, 14,467.84 and 2,719.20 is: 4,078.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,646.32 : 14,467.84 = 2,719.20 : x
  2. Step 2: Convert to fraction form
    9,646.32/14,467.84 = 2,719.20/x
  3. Step 3: Cross multiply
    9,646.32x = 14,467.84 × 2,719.20
  4. Step 4: Simplify right side
    9,646.32x = 39,340,950.53
  5. Step 5: Solve for x
    x = 39,340,950.53/9,646.32
  6. Step 6: Final answer
    x = 4,078.34

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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.