Home / 8,030.83-12,045.03-2,187.90

Finding the Fourth Proportional to 8,030.83, 12,045.03 and 2,187.90

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Solution

The fourth proportional to 8,030.83, 12,045.03 and 2,187.90 is: 3,281.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,030.83 : 12,045.03 = 2,187.90 : x
  2. Step 2: Convert to fraction form
    8,030.83/12,045.03 = 2,187.90/x
  3. Step 3: Cross multiply
    8,030.83x = 12,045.03 × 2,187.90
  4. Step 4: Simplify right side
    8,030.83x = 26,353,321.14
  5. Step 5: Solve for x
    x = 26,353,321.14/8,030.83
  6. Step 6: Final answer
    x = 3,281.52

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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.