Home / 8,030.21-12,038.38-3,103.30

Finding the Fourth Proportional to 8,030.21, 12,038.38 and 3,103.30

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Solution

The fourth proportional to 8,030.21, 12,038.38 and 3,103.30 is: 4,652.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,030.21 : 12,038.38 = 3,103.30 : x
  2. Step 2: Convert to fraction form
    8,030.21/12,038.38 = 3,103.30/x
  3. Step 3: Cross multiply
    8,030.21x = 12,038.38 × 3,103.30
  4. Step 4: Simplify right side
    8,030.21x = 37,358,666.80
  5. Step 5: Solve for x
    x = 37,358,666.80/8,030.21
  6. Step 6: Final answer
    x = 4,652.27

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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.