Home / 9,355.44-12,910.31-5,106.36

Finding the Fourth Proportional to 9,355.44, 12,910.31 and 5,106.36

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Solution

The fourth proportional to 9,355.44, 12,910.31 and 5,106.36 is: 7,046.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,355.44 : 12,910.31 = 5,106.36 : x
  2. Step 2: Convert to fraction form
    9,355.44/12,910.31 = 5,106.36/x
  3. Step 3: Cross multiply
    9,355.44x = 12,910.31 × 5,106.36
  4. Step 4: Simplify right side
    9,355.44x = 65,924,690.57
  5. Step 5: Solve for x
    x = 65,924,690.57/9,355.44
  6. Step 6: Final answer
    x = 7,046.67

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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.