Home / 7,785.42-11,683.14-3,104.63

Finding the Fourth Proportional to 7,785.42, 11,683.14 and 3,104.63

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Solution

The fourth proportional to 7,785.42, 11,683.14 and 3,104.63 is: 4,658.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,785.42 : 11,683.14 = 3,104.63 : x
  2. Step 2: Convert to fraction form
    7,785.42/11,683.14 = 3,104.63/x
  3. Step 3: Cross multiply
    7,785.42x = 11,683.14 × 3,104.63
  4. Step 4: Simplify right side
    7,785.42x = 36,271,800.69
  5. Step 5: Solve for x
    x = 36,271,800.69/7,785.42
  6. Step 6: Final answer
    x = 4,658.94

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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.