Home / 8,140.07-12,208.74-2,295.31

Finding the Fourth Proportional to 8,140.07, 12,208.74 and 2,295.31

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Solution

The fourth proportional to 8,140.07, 12,208.74 and 2,295.31 is: 3,442.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,140.07 : 12,208.74 = 2,295.31 : x
  2. Step 2: Convert to fraction form
    8,140.07/12,208.74 = 2,295.31/x
  3. Step 3: Cross multiply
    8,140.07x = 12,208.74 × 2,295.31
  4. Step 4: Simplify right side
    8,140.07x = 28,022,843.01
  5. Step 5: Solve for x
    x = 28,022,843.01/8,140.07
  6. Step 6: Final answer
    x = 3,442.58

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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.