Home / 6,598.93-9,107.21-3,911.75

Finding the Fourth Proportional to 6,598.93, 9,107.21 and 3,911.75

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Solution

The fourth proportional to 6,598.93, 9,107.21 and 3,911.75 is: 5,398.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,598.93 : 9,107.21 = 3,911.75 : x
  2. Step 2: Convert to fraction form
    6,598.93/9,107.21 = 3,911.75/x
  3. Step 3: Cross multiply
    6,598.93x = 9,107.21 × 3,911.75
  4. Step 4: Simplify right side
    6,598.93x = 35,625,128.72
  5. Step 5: Solve for x
    x = 35,625,128.72/6,598.93
  6. Step 6: Final answer
    x = 5,398.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.