Home / 6,131.46-9,194.28-1,970.35

Finding the Fourth Proportional to 6,131.46, 9,194.28 and 1,970.35

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Solution

The fourth proportional to 6,131.46, 9,194.28 and 1,970.35 is: 2,954.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,131.46 : 9,194.28 = 1,970.35 : x
  2. Step 2: Convert to fraction form
    6,131.46/9,194.28 = 1,970.35/x
  3. Step 3: Cross multiply
    6,131.46x = 9,194.28 × 1,970.35
  4. Step 4: Simplify right side
    6,131.46x = 18,115,961.71
  5. Step 5: Solve for x
    x = 18,115,961.71/6,131.46
  6. Step 6: Final answer
    x = 2,954.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.