Home / 8,113.30-12,165.15-4,225.30

Finding the Fourth Proportional to 8,113.30, 12,165.15 and 4,225.30

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Solution

The fourth proportional to 8,113.30, 12,165.15 and 4,225.30 is: 6,335.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,113.30 : 12,165.15 = 4,225.30 : x
  2. Step 2: Convert to fraction form
    8,113.30/12,165.15 = 4,225.30/x
  3. Step 3: Cross multiply
    8,113.30x = 12,165.15 × 4,225.30
  4. Step 4: Simplify right side
    8,113.30x = 51,401,408.30
  5. Step 5: Solve for x
    x = 51,401,408.30/8,113.30
  6. Step 6: Final answer
    x = 6,335.45

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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.