Home / 7,020.28-10,529.58-1,826.02

Finding the Fourth Proportional to 7,020.28, 10,529.58 and 1,826.02

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Solution

The fourth proportional to 7,020.28, 10,529.58 and 1,826.02 is: 2,738.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020.28 : 10,529.58 = 1,826.02 : x
  2. Step 2: Convert to fraction form
    7,020.28/10,529.58 = 1,826.02/x
  3. Step 3: Cross multiply
    7,020.28x = 10,529.58 × 1,826.02
  4. Step 4: Simplify right side
    7,020.28x = 19,227,223.67
  5. Step 5: Solve for x
    x = 19,227,223.67/7,020.28
  6. Step 6: Final answer
    x = 2,738.81

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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.