Home / 4,071.28-6,104.74-1,297.20

Finding the Fourth Proportional to 4,071.28, 6,104.74 and 1,297.20

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Solution

The fourth proportional to 4,071.28, 6,104.74 and 1,297.20 is: 1,945.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,071.28 : 6,104.74 = 1,297.20 : x
  2. Step 2: Convert to fraction form
    4,071.28/6,104.74 = 1,297.20/x
  3. Step 3: Cross multiply
    4,071.28x = 6,104.74 × 1,297.20
  4. Step 4: Simplify right side
    4,071.28x = 7,919,068.73
  5. Step 5: Solve for x
    x = 7,919,068.73/4,071.28
  6. Step 6: Final answer
    x = 1,945.11

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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.