Home / 6,394.74-8,825.85-4,038.18

Finding the Fourth Proportional to 6,394.74, 8,825.85 and 4,038.18

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Solution

The fourth proportional to 6,394.74, 8,825.85 and 4,038.18 is: 5,573.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,394.74 : 8,825.85 = 4,038.18 : x
  2. Step 2: Convert to fraction form
    6,394.74/8,825.85 = 4,038.18/x
  3. Step 3: Cross multiply
    6,394.74x = 8,825.85 × 4,038.18
  4. Step 4: Simplify right side
    6,394.74x = 35,640,370.95
  5. Step 5: Solve for x
    x = 35,640,370.95/6,394.74
  6. Step 6: Final answer
    x = 5,573.39

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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.