Home / 5,018.34-7,516.58-2,415.81

Finding the Fourth Proportional to 5,018.34, 7,516.58 and 2,415.81

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Solution

The fourth proportional to 5,018.34, 7,516.58 and 2,415.81 is: 3,618.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,018.34 : 7,516.58 = 2,415.81 : x
  2. Step 2: Convert to fraction form
    5,018.34/7,516.58 = 2,415.81/x
  3. Step 3: Cross multiply
    5,018.34x = 7,516.58 × 2,415.81
  4. Step 4: Simplify right side
    5,018.34x = 18,158,629.13
  5. Step 5: Solve for x
    x = 18,158,629.13/5,018.34
  6. Step 6: Final answer
    x = 3,618.45

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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.