Home / 9,410.46-12,986.58-5,161.89

Finding the Fourth Proportional to 9,410.46, 12,986.58 and 5,161.89

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Solution

The fourth proportional to 9,410.46, 12,986.58 and 5,161.89 is: 7,123.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,410.46 : 12,986.58 = 5,161.89 : x
  2. Step 2: Convert to fraction form
    9,410.46/12,986.58 = 5,161.89/x
  3. Step 3: Cross multiply
    9,410.46x = 12,986.58 × 5,161.89
  4. Step 4: Simplify right side
    9,410.46x = 67,035,297.44
  5. Step 5: Solve for x
    x = 67,035,297.44/9,410.46
  6. Step 6: Final answer
    x = 7,123.49

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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.