Home / 8,960.84-13,439.74-2,719.36

Finding the Fourth Proportional to 8,960.84, 13,439.74 and 2,719.36

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Solution

The fourth proportional to 8,960.84, 13,439.74 and 2,719.36 is: 4,078.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,960.84 : 13,439.74 = 2,719.36 : x
  2. Step 2: Convert to fraction form
    8,960.84/13,439.74 = 2,719.36/x
  3. Step 3: Cross multiply
    8,960.84x = 13,439.74 × 2,719.36
  4. Step 4: Simplify right side
    8,960.84x = 36,547,491.37
  5. Step 5: Solve for x
    x = 36,547,491.37/8,960.84
  6. Step 6: Final answer
    x = 4,078.58

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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.