Home / 8,001.40-11,017.73-6,317.41

Finding the Fourth Proportional to 8,001.40, 11,017.73 and 6,317.41

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Solution

The fourth proportional to 8,001.40, 11,017.73 and 6,317.41 is: 8,698.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,001.40 : 11,017.73 = 6,317.41 : x
  2. Step 2: Convert to fraction form
    8,001.40/11,017.73 = 6,317.41/x
  3. Step 3: Cross multiply
    8,001.40x = 11,017.73 × 6,317.41
  4. Step 4: Simplify right side
    8,001.40x = 69,603,517.68
  5. Step 5: Solve for x
    x = 69,603,517.68/8,001.40
  6. Step 6: Final answer
    x = 8,698.92

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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.