Home / 7,858.04-11,785.60-3,176.82

Finding the Fourth Proportional to 7,858.04, 11,785.60 and 3,176.82

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Solution

The fourth proportional to 7,858.04, 11,785.60 and 3,176.82 is: 4,764.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,858.04 : 11,785.60 = 3,176.82 : x
  2. Step 2: Convert to fraction form
    7,858.04/11,785.60 = 3,176.82/x
  3. Step 3: Cross multiply
    7,858.04x = 11,785.60 × 3,176.82
  4. Step 4: Simplify right side
    7,858.04x = 37,440,729.79
  5. Step 5: Solve for x
    x = 37,440,729.79/7,858.04
  6. Step 6: Final answer
    x = 4,764.64

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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.