Home / 5,018.45-7,527.06-1,320.96

Finding the Fourth Proportional to 5,018.45, 7,527.06 and 1,320.96

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Solution

The fourth proportional to 5,018.45, 7,527.06 and 1,320.96 is: 1,981.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,018.45 : 7,527.06 = 1,320.96 : x
  2. Step 2: Convert to fraction form
    5,018.45/7,527.06 = 1,320.96/x
  3. Step 3: Cross multiply
    5,018.45x = 7,527.06 × 1,320.96
  4. Step 4: Simplify right side
    5,018.45x = 9,942,945.18
  5. Step 5: Solve for x
    x = 9,942,945.18/5,018.45
  6. Step 6: Final answer
    x = 1,981.28

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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.