Home / 4,260.39-6,386.91-1,662.72

Finding the Fourth Proportional to 4,260.39, 6,386.91 and 1,662.72

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Solution

The fourth proportional to 4,260.39, 6,386.91 and 1,662.72 is: 2,492.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,260.39 : 6,386.91 = 1,662.72 : x
  2. Step 2: Convert to fraction form
    4,260.39/6,386.91 = 1,662.72/x
  3. Step 3: Cross multiply
    4,260.39x = 6,386.91 × 1,662.72
  4. Step 4: Simplify right side
    4,260.39x = 10,619,643.00
  5. Step 5: Solve for x
    x = 10,619,643.00/4,260.39
  6. Step 6: Final answer
    x = 2,492.65

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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.