Home / 8,484.78-12,728.85-6,020.46

Finding the Fourth Proportional to 8,484.78, 12,728.85 and 6,020.46

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Solution

The fourth proportional to 8,484.78, 12,728.85 and 6,020.46 is: 9,031.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,484.78 : 12,728.85 = 6,020.46 : x
  2. Step 2: Convert to fraction form
    8,484.78/12,728.85 = 6,020.46/x
  3. Step 3: Cross multiply
    8,484.78x = 12,728.85 × 6,020.46
  4. Step 4: Simplify right side
    8,484.78x = 76,633,532.27
  5. Step 5: Solve for x
    x = 76,633,532.27/8,484.78
  6. Step 6: Final answer
    x = 9,031.88

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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.