Home / 6,707.91-10,061.86-1,778.05

Finding the Fourth Proportional to 6,707.91, 10,061.86 and 1,778.05

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Solution

The fourth proportional to 6,707.91, 10,061.86 and 1,778.05 is: 2,667.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,707.91 : 10,061.86 = 1,778.05 : x
  2. Step 2: Convert to fraction form
    6,707.91/10,061.86 = 1,778.05/x
  3. Step 3: Cross multiply
    6,707.91x = 10,061.86 × 1,778.05
  4. Step 4: Simplify right side
    6,707.91x = 17,890,439.86
  5. Step 5: Solve for x
    x = 17,890,439.86/6,707.91
  6. Step 6: Final answer
    x = 2,667.07

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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.