Home / 6,935.74-10,397.66-2,778.68

Finding the Fourth Proportional to 6,935.74, 10,397.66 and 2,778.68

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Solution

The fourth proportional to 6,935.74, 10,397.66 and 2,778.68 is: 4,165.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,935.74 : 10,397.66 = 2,778.68 : x
  2. Step 2: Convert to fraction form
    6,935.74/10,397.66 = 2,778.68/x
  3. Step 3: Cross multiply
    6,935.74x = 10,397.66 × 2,778.68
  4. Step 4: Simplify right side
    6,935.74x = 28,891,769.89
  5. Step 5: Solve for x
    x = 28,891,769.89/6,935.74
  6. Step 6: Final answer
    x = 4,165.64

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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.