Home / 8,030.15-12,043.99-2,187.21

Finding the Fourth Proportional to 8,030.15, 12,043.99 and 2,187.21

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Solution

The fourth proportional to 8,030.15, 12,043.99 and 2,187.21 is: 3,280.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,030.15 : 12,043.99 = 2,187.21 : x
  2. Step 2: Convert to fraction form
    8,030.15/12,043.99 = 2,187.21/x
  3. Step 3: Cross multiply
    8,030.15x = 12,043.99 × 2,187.21
  4. Step 4: Simplify right side
    8,030.15x = 26,342,735.37
  5. Step 5: Solve for x
    x = 26,342,735.37/8,030.15
  6. Step 6: Final answer
    x = 3,280.48

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Double scale
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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.