Home / 8,238.94-11,370.56-4,702.69

Finding the Fourth Proportional to 8,238.94, 11,370.56 and 4,702.69

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Solution

The fourth proportional to 8,238.94, 11,370.56 and 4,702.69 is: 6,490.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,238.94 : 11,370.56 = 4,702.69 : x
  2. Step 2: Convert to fraction form
    8,238.94/11,370.56 = 4,702.69/x
  3. Step 3: Cross multiply
    8,238.94x = 11,370.56 × 4,702.69
  4. Step 4: Simplify right side
    8,238.94x = 53,472,218.81
  5. Step 5: Solve for x
    x = 53,472,218.81/8,238.94
  6. Step 6: Final answer
    x = 6,490.18

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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.