Home / 6,261.31-9,379.41-2,977.57

Finding the Fourth Proportional to 6,261.31, 9,379.41 and 2,977.57

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Solution

The fourth proportional to 6,261.31, 9,379.41 and 2,977.57 is: 4,460.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,261.31 : 9,379.41 = 2,977.57 : x
  2. Step 2: Convert to fraction form
    6,261.31/9,379.41 = 2,977.57/x
  3. Step 3: Cross multiply
    6,261.31x = 9,379.41 × 2,977.57
  4. Step 4: Simplify right side
    6,261.31x = 27,927,849.83
  5. Step 5: Solve for x
    x = 27,927,849.83/6,261.31
  6. Step 6: Final answer
    x = 4,460.38

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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.