Home / 6,938.09-10,409.87-3,039.77

Finding the Fourth Proportional to 6,938.09, 10,409.87 and 3,039.77

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Solution

The fourth proportional to 6,938.09, 10,409.87 and 3,039.77 is: 4,560.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,938.09 : 10,409.87 = 3,039.77 : x
  2. Step 2: Convert to fraction form
    6,938.09/10,409.87 = 3,039.77/x
  3. Step 3: Cross multiply
    6,938.09x = 10,409.87 × 3,039.77
  4. Step 4: Simplify right side
    6,938.09x = 31,643,610.53
  5. Step 5: Solve for x
    x = 31,643,610.53/6,938.09
  6. Step 6: Final answer
    x = 4,560.85

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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.