Home / 7,785.34-11,671.38-3,399.52

Finding the Fourth Proportional to 7,785.34, 11,671.38 and 3,399.52

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Solution

The fourth proportional to 7,785.34, 11,671.38 and 3,399.52 is: 5,096.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,785.34 : 11,671.38 = 3,399.52 : x
  2. Step 2: Convert to fraction form
    7,785.34/11,671.38 = 3,399.52/x
  3. Step 3: Cross multiply
    7,785.34x = 11,671.38 × 3,399.52
  4. Step 4: Simplify right side
    7,785.34x = 39,677,089.74
  5. Step 5: Solve for x
    x = 39,677,089.74/7,785.34
  6. Step 6: Final answer
    x = 5,096.38

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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.