Home / 7,319.30-10,971.08-3,161.27

Finding the Fourth Proportional to 7,319.30, 10,971.08 and 3,161.27

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Solution

The fourth proportional to 7,319.30, 10,971.08 and 3,161.27 is: 4,738.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,319.30 : 10,971.08 = 3,161.27 : x
  2. Step 2: Convert to fraction form
    7,319.30/10,971.08 = 3,161.27/x
  3. Step 3: Cross multiply
    7,319.30x = 10,971.08 × 3,161.27
  4. Step 4: Simplify right side
    7,319.30x = 34,682,475.41
  5. Step 5: Solve for x
    x = 34,682,475.41/7,319.30
  6. Step 6: Final answer
    x = 4,738.50

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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.