Home / 4,808.43-7,213.05-1,345.68

Finding the Fourth Proportional to 4,808.43, 7,213.05 and 1,345.68

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Solution

The fourth proportional to 4,808.43, 7,213.05 and 1,345.68 is: 2,018.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,808.43 : 7,213.05 = 1,345.68 : x
  2. Step 2: Convert to fraction form
    4,808.43/7,213.05 = 1,345.68/x
  3. Step 3: Cross multiply
    4,808.43x = 7,213.05 × 1,345.68
  4. Step 4: Simplify right side
    4,808.43x = 9,706,457.12
  5. Step 5: Solve for x
    x = 9,706,457.12/4,808.43
  6. Step 6: Final answer
    x = 2,018.63

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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.