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Finding the Fourth Proportional to 7,345.46, 11,018 and 1,798.76

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Solution

The fourth proportional to 7,345.46, 11,018 and 1,798.76 is: 2,698.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345.46 : 11,018 = 1,798.76 : x
  2. Step 2: Convert to fraction form
    7,345.46/11,018 = 1,798.76/x
  3. Step 3: Cross multiply
    7,345.46x = 11,018 × 1,798.76
  4. Step 4: Simplify right side
    7,345.46x = 19,818,737.68
  5. Step 5: Solve for x
    x = 19,818,737.68/7,345.46
  6. Step 6: Final answer
    x = 2,698.09

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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.