Home / 8,290.47-11,441.66-6,190.95

Finding the Fourth Proportional to 8,290.47, 11,441.66 and 6,190.95

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Solution

The fourth proportional to 8,290.47, 11,441.66 and 6,190.95 is: 8,544.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,290.47 : 11,441.66 = 6,190.95 : x
  2. Step 2: Convert to fraction form
    8,290.47/11,441.66 = 6,190.95/x
  3. Step 3: Cross multiply
    8,290.47x = 11,441.66 × 6,190.95
  4. Step 4: Simplify right side
    8,290.47x = 70,834,714.02
  5. Step 5: Solve for x
    x = 70,834,714.02/8,290.47
  6. Step 6: Final answer
    x = 8,544.11

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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.