Home / 9,386.79-14,078.81-3,146.55

Finding the Fourth Proportional to 9,386.79, 14,078.81 and 3,146.55

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Solution

The fourth proportional to 9,386.79, 14,078.81 and 3,146.55 is: 4,719.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,386.79 : 14,078.81 = 3,146.55 : x
  2. Step 2: Convert to fraction form
    9,386.79/14,078.81 = 3,146.55/x
  3. Step 3: Cross multiply
    9,386.79x = 14,078.81 × 3,146.55
  4. Step 4: Simplify right side
    9,386.79x = 44,299,634.68
  5. Step 5: Solve for x
    x = 44,299,634.68/9,386.79
  6. Step 6: Final answer
    x = 4,719.36

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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.