Home / 6,427.85-9,641.37-2,048.45

Finding the Fourth Proportional to 6,427.85, 9,641.37 and 2,048.45

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Solution

The fourth proportional to 6,427.85, 9,641.37 and 2,048.45 is: 3,072.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,427.85 : 9,641.37 = 2,048.45 : x
  2. Step 2: Convert to fraction form
    6,427.85/9,641.37 = 2,048.45/x
  3. Step 3: Cross multiply
    6,427.85x = 9,641.37 × 2,048.45
  4. Step 4: Simplify right side
    6,427.85x = 19,749,864.38
  5. Step 5: Solve for x
    x = 19,749,864.38/6,427.85
  6. Step 6: Final answer
    x = 3,072.55

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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.