Home / 5,018.12-7,528.32-1,731.26

Finding the Fourth Proportional to 5,018.12, 7,528.32 and 1,731.26

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Solution

The fourth proportional to 5,018.12, 7,528.32 and 1,731.26 is: 2,597.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,018.12 : 7,528.32 = 1,731.26 : x
  2. Step 2: Convert to fraction form
    5,018.12/7,528.32 = 1,731.26/x
  3. Step 3: Cross multiply
    5,018.12x = 7,528.32 × 1,731.26
  4. Step 4: Simplify right side
    5,018.12x = 13,033,479.28
  5. Step 5: Solve for x
    x = 13,033,479.28/5,018.12
  6. Step 6: Final answer
    x = 2,597.28

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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.