Home / 8,030.96-12,047.36-2,187.64

Finding the Fourth Proportional to 8,030.96, 12,047.36 and 2,187.64

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Solution

The fourth proportional to 8,030.96, 12,047.36 and 2,187.64 is: 3,281.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,030.96 : 12,047.36 = 2,187.64 : x
  2. Step 2: Convert to fraction form
    8,030.96/12,047.36 = 2,187.64/x
  3. Step 3: Cross multiply
    8,030.96x = 12,047.36 × 2,187.64
  4. Step 4: Simplify right side
    8,030.96x = 26,355,286.63
  5. Step 5: Solve for x
    x = 26,355,286.63/8,030.96
  6. Step 6: Final answer
    x = 3,281.71

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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.