Home / 8,825.72-13,240.40-2,585.94

Finding the Fourth Proportional to 8,825.72, 13,240.40 and 2,585.94

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Solution

The fourth proportional to 8,825.72, 13,240.40 and 2,585.94 is: 3,879.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,825.72 : 13,240.40 = 2,585.94 : x
  2. Step 2: Convert to fraction form
    8,825.72/13,240.40 = 2,585.94/x
  3. Step 3: Cross multiply
    8,825.72x = 13,240.40 × 2,585.94
  4. Step 4: Simplify right side
    8,825.72x = 34,238,820.24
  5. Step 5: Solve for x
    x = 34,238,820.24/8,825.72
  6. Step 6: Final answer
    x = 3,879.44

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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.