Home / 8,390.63-11,578.66-4,853.91

Finding the Fourth Proportional to 8,390.63, 11,578.66 and 4,853.91

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Solution

The fourth proportional to 8,390.63, 11,578.66 and 4,853.91 is: 6,698.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,390.63 : 11,578.66 = 4,853.91 : x
  2. Step 2: Convert to fraction form
    8,390.63/11,578.66 = 4,853.91/x
  3. Step 3: Cross multiply
    8,390.63x = 11,578.66 × 4,853.91
  4. Step 4: Simplify right side
    8,390.63x = 56,201,773.56
  5. Step 5: Solve for x
    x = 56,201,773.56/8,390.63
  6. Step 6: Final answer
    x = 6,698.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.