Home / 5,018.22-7,528.85-1,686.08

Finding the Fourth Proportional to 5,018.22, 7,528.85 and 1,686.08

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Solution

The fourth proportional to 5,018.22, 7,528.85 and 1,686.08 is: 2,529.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,018.22 : 7,528.85 = 1,686.08 : x
  2. Step 2: Convert to fraction form
    5,018.22/7,528.85 = 1,686.08/x
  3. Step 3: Cross multiply
    5,018.22x = 7,528.85 × 1,686.08
  4. Step 4: Simplify right side
    5,018.22x = 12,694,234.98
  5. Step 5: Solve for x
    x = 12,694,234.98/5,018.22
  6. Step 6: Final answer
    x = 2,529.63

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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.