Home / 7,196.45-10,779.05-3,490.89

Finding the Fourth Proportional to 7,196.45, 10,779.05 and 3,490.89

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Solution

The fourth proportional to 7,196.45, 10,779.05 and 3,490.89 is: 5,228.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,196.45 : 10,779.05 = 3,490.89 : x
  2. Step 2: Convert to fraction form
    7,196.45/10,779.05 = 3,490.89/x
  3. Step 3: Cross multiply
    7,196.45x = 10,779.05 × 3,490.89
  4. Step 4: Simplify right side
    7,196.45x = 37,628,477.85
  5. Step 5: Solve for x
    x = 37,628,477.85/7,196.45
  6. Step 6: Final answer
    x = 5,228.76

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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.