Home / 9,269.40-13,904.10-3,424.80

Finding the Fourth Proportional to 9,269.40, 13,904.10 and 3,424.80

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Solution

The fourth proportional to 9,269.40, 13,904.10 and 3,424.80 is: 5,137.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,269.40 : 13,904.10 = 3,424.80 : x
  2. Step 2: Convert to fraction form
    9,269.40/13,904.10 = 3,424.80/x
  3. Step 3: Cross multiply
    9,269.40x = 13,904.10 × 3,424.80
  4. Step 4: Simplify right side
    9,269.40x = 47,618,761.68
  5. Step 5: Solve for x
    x = 47,618,761.68/9,269.40
  6. Step 6: Final answer
    x = 5,137.20

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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.