Home / 8,239.69-11,371.44-4,702.81

Finding the Fourth Proportional to 8,239.69, 11,371.44 and 4,702.81

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Solution

The fourth proportional to 8,239.69, 11,371.44 and 4,702.81 is: 6,490.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,239.69 : 11,371.44 = 4,702.81 : x
  2. Step 2: Convert to fraction form
    8,239.69/11,371.44 = 4,702.81/x
  3. Step 3: Cross multiply
    8,239.69x = 11,371.44 × 4,702.81
  4. Step 4: Simplify right side
    8,239.69x = 53,477,721.75
  5. Step 5: Solve for x
    x = 53,477,721.75/8,239.69
  6. Step 6: Final answer
    x = 6,490.26

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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.