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Finding the Fourth Proportional to 5,018.68, 7,529.54 and 1,899.64

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Solution

The fourth proportional to 5,018.68, 7,529.54 and 1,899.64 is: 2,850.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,018.68 : 7,529.54 = 1,899.64 : x
  2. Step 2: Convert to fraction form
    5,018.68/7,529.54 = 1,899.64/x
  3. Step 3: Cross multiply
    5,018.68x = 7,529.54 × 1,899.64
  4. Step 4: Simplify right side
    5,018.68x = 14,303,415.37
  5. Step 5: Solve for x
    x = 14,303,415.37/5,018.68
  6. Step 6: Final answer
    x = 2,850.04

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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.