Home / 8,029.65-12,047.85-4,515.42

Finding the Fourth Proportional to 8,029.65, 12,047.85 and 4,515.42

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Solution

The fourth proportional to 8,029.65, 12,047.85 and 4,515.42 is: 6,775.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,029.65 : 12,047.85 = 4,515.42 : x
  2. Step 2: Convert to fraction form
    8,029.65/12,047.85 = 4,515.42/x
  3. Step 3: Cross multiply
    8,029.65x = 12,047.85 × 4,515.42
  4. Step 4: Simplify right side
    8,029.65x = 54,401,102.85
  5. Step 5: Solve for x
    x = 54,401,102.85/8,029.65
  6. Step 6: Final answer
    x = 6,775.03

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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.