Home / 4,214.47-6,319.62-1,292.07

Finding the Fourth Proportional to 4,214.47, 6,319.62 and 1,292.07

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Solution

The fourth proportional to 4,214.47, 6,319.62 and 1,292.07 is: 1,937.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,214.47 : 6,319.62 = 1,292.07 : x
  2. Step 2: Convert to fraction form
    4,214.47/6,319.62 = 1,292.07/x
  3. Step 3: Cross multiply
    4,214.47x = 6,319.62 × 1,292.07
  4. Step 4: Simplify right side
    4,214.47x = 8,165,391.41
  5. Step 5: Solve for x
    x = 8,165,391.41/4,214.47
  6. Step 6: Final answer
    x = 1,937.47

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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.