Home / 8,085.40-12,124.86-2,888.44

Finding the Fourth Proportional to 8,085.40, 12,124.86 and 2,888.44

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Solution

The fourth proportional to 8,085.40, 12,124.86 and 2,888.44 is: 4,331.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085.40 : 12,124.86 = 2,888.44 : x
  2. Step 2: Convert to fraction form
    8,085.40/12,124.86 = 2,888.44/x
  3. Step 3: Cross multiply
    8,085.40x = 12,124.86 × 2,888.44
  4. Step 4: Simplify right side
    8,085.40x = 35,021,930.62
  5. Step 5: Solve for x
    x = 35,021,930.62/8,085.40
  6. Step 6: Final answer
    x = 4,331.50

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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.