Home / 6,923.02-9,553.78-3,779.40

Finding the Fourth Proportional to 6,923.02, 9,553.78 and 3,779.40

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Solution

The fourth proportional to 6,923.02, 9,553.78 and 3,779.40 is: 5,215.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,923.02 : 9,553.78 = 3,779.40 : x
  2. Step 2: Convert to fraction form
    6,923.02/9,553.78 = 3,779.40/x
  3. Step 3: Cross multiply
    6,923.02x = 9,553.78 × 3,779.40
  4. Step 4: Simplify right side
    6,923.02x = 36,107,556.13
  5. Step 5: Solve for x
    x = 36,107,556.13/6,923.02
  6. Step 6: Final answer
    x = 5,215.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.