Home / 8,148.36-12,223.44-2,600.40

Finding the Fourth Proportional to 8,148.36, 12,223.44 and 2,600.40

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Solution

The fourth proportional to 8,148.36, 12,223.44 and 2,600.40 is: 3,900.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,148.36 : 12,223.44 = 2,600.40 : x
  2. Step 2: Convert to fraction form
    8,148.36/12,223.44 = 2,600.40/x
  3. Step 3: Cross multiply
    8,148.36x = 12,223.44 × 2,600.40
  4. Step 4: Simplify right side
    8,148.36x = 31,785,879.21
  5. Step 5: Solve for x
    x = 31,785,879.21/8,148.36
  6. Step 6: Final answer
    x = 3,900.89

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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.