Home / 9,719.76-14,579.96-3,146

Finding the Fourth Proportional to 9,719.76, 14,579.96 and 3,146

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Solution

The fourth proportional to 9,719.76, 14,579.96 and 3,146 is: 4,719.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,719.76 : 14,579.96 = 3,146 : x
  2. Step 2: Convert to fraction form
    9,719.76/14,579.96 = 3,146/x
  3. Step 3: Cross multiply
    9,719.76x = 14,579.96 × 3,146
  4. Step 4: Simplify right side
    9,719.76x = 45,868,554.16
  5. Step 5: Solve for x
    x = 45,868,554.16/9,719.76
  6. Step 6: Final answer
    x = 4,719.10

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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.