Home / 5,293.77-7,940.94-1,398.07

Finding the Fourth Proportional to 5,293.77, 7,940.94 and 1,398.07

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Solution

The fourth proportional to 5,293.77, 7,940.94 and 1,398.07 is: 2,097.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,293.77 : 7,940.94 = 1,398.07 : x
  2. Step 2: Convert to fraction form
    5,293.77/7,940.94 = 1,398.07/x
  3. Step 3: Cross multiply
    5,293.77x = 7,940.94 × 1,398.07
  4. Step 4: Simplify right side
    5,293.77x = 11,101,989.99
  5. Step 5: Solve for x
    x = 11,101,989.99/5,293.77
  6. Step 6: Final answer
    x = 2,097.18

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1.5x scale

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.