Home / 6,911.61-10,359.21-3,983.87

Finding the Fourth Proportional to 6,911.61, 10,359.21 and 3,983.87

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Solution

The fourth proportional to 6,911.61, 10,359.21 and 3,983.87 is: 5,971.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,911.61 : 10,359.21 = 3,983.87 : x
  2. Step 2: Convert to fraction form
    6,911.61/10,359.21 = 3,983.87/x
  3. Step 3: Cross multiply
    6,911.61x = 10,359.21 × 3,983.87
  4. Step 4: Simplify right side
    6,911.61x = 41,269,728.51
  5. Step 5: Solve for x
    x = 41,269,728.51/6,911.61
  6. Step 6: Final answer
    x = 5,971.07

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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.