Home / 6,939.32-10,409.45-2,557.08

Finding the Fourth Proportional to 6,939.32, 10,409.45 and 2,557.08

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Solution

The fourth proportional to 6,939.32, 10,409.45 and 2,557.08 is: 3,835.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939.32 : 10,409.45 = 2,557.08 : x
  2. Step 2: Convert to fraction form
    6,939.32/10,409.45 = 2,557.08/x
  3. Step 3: Cross multiply
    6,939.32x = 10,409.45 × 2,557.08
  4. Step 4: Simplify right side
    6,939.32x = 26,617,783.62
  5. Step 5: Solve for x
    x = 26,617,783.62/6,939.32
  6. Step 6: Final answer
    x = 3,835.79

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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.