Home / 8,238.97-11,370.59-4,702.71

Finding the Fourth Proportional to 8,238.97, 11,370.59 and 4,702.71

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Solution

The fourth proportional to 8,238.97, 11,370.59 and 4,702.71 is: 6,490.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,238.97 : 11,370.59 = 4,702.71 : x
  2. Step 2: Convert to fraction form
    8,238.97/11,370.59 = 4,702.71/x
  3. Step 3: Cross multiply
    8,238.97x = 11,370.59 × 4,702.71
  4. Step 4: Simplify right side
    8,238.97x = 53,472,650.51
  5. Step 5: Solve for x
    x = 53,472,650.51/8,238.97
  6. Step 6: Final answer
    x = 6,490.21

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1.5x scale

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.