Home / 4,411.78-6,617.43-1,291.66

Finding the Fourth Proportional to 4,411.78, 6,617.43 and 1,291.66

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Solution

The fourth proportional to 4,411.78, 6,617.43 and 1,291.66 is: 1,937.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,411.78 : 6,617.43 = 1,291.66 : x
  2. Step 2: Convert to fraction form
    4,411.78/6,617.43 = 1,291.66/x
  3. Step 3: Cross multiply
    4,411.78x = 6,617.43 × 1,291.66
  4. Step 4: Simplify right side
    4,411.78x = 8,547,469.63
  5. Step 5: Solve for x
    x = 8,547,469.63/4,411.78
  6. Step 6: Final answer
    x = 1,937.42

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1.5x scale

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.