Home / 7,783.76-11,676.72-2,590.04

Finding the Fourth Proportional to 7,783.76, 11,676.72 and 2,590.04

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Solution

The fourth proportional to 7,783.76, 11,676.72 and 2,590.04 is: 3,885.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,783.76 : 11,676.72 = 2,590.04 : x
  2. Step 2: Convert to fraction form
    7,783.76/11,676.72 = 2,590.04/x
  3. Step 3: Cross multiply
    7,783.76x = 11,676.72 × 2,590.04
  4. Step 4: Simplify right side
    7,783.76x = 30,243,171.87
  5. Step 5: Solve for x
    x = 30,243,171.87/7,783.76
  6. Step 6: Final answer
    x = 3,885.42

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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.