Home / 6,940.86-10,411.74-2,561.40

Finding the Fourth Proportional to 6,940.86, 10,411.74 and 2,561.40

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Solution

The fourth proportional to 6,940.86, 10,411.74 and 2,561.40 is: 3,842.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,940.86 : 10,411.74 = 2,561.40 : x
  2. Step 2: Convert to fraction form
    6,940.86/10,411.74 = 2,561.40/x
  3. Step 3: Cross multiply
    6,940.86x = 10,411.74 × 2,561.40
  4. Step 4: Simplify right side
    6,940.86x = 26,668,630.84
  5. Step 5: Solve for x
    x = 26,668,630.84/6,940.86
  6. Step 6: Final answer
    x = 3,842.27

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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.