Home / 5,872.12-8,106.29-3,635.45

Finding the Fourth Proportional to 5,872.12, 8,106.29 and 3,635.45

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Solution

The fourth proportional to 5,872.12, 8,106.29 and 3,635.45 is: 5,018.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,872.12 : 8,106.29 = 3,635.45 : x
  2. Step 2: Convert to fraction form
    5,872.12/8,106.29 = 3,635.45/x
  3. Step 3: Cross multiply
    5,872.12x = 8,106.29 × 3,635.45
  4. Step 4: Simplify right side
    5,872.12x = 29,470,011.98
  5. Step 5: Solve for x
    x = 29,470,011.98/5,872.12
  6. Step 6: Final answer
    x = 5,018.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.