Home / 6,259.88-8,638.98-3,427.60

Finding the Fourth Proportional to 6,259.88, 8,638.98 and 3,427.60

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Solution

The fourth proportional to 6,259.88, 8,638.98 and 3,427.60 is: 4,730.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,259.88 : 8,638.98 = 3,427.60 : x
  2. Step 2: Convert to fraction form
    6,259.88/8,638.98 = 3,427.60/x
  3. Step 3: Cross multiply
    6,259.88x = 8,638.98 × 3,427.60
  4. Step 4: Simplify right side
    6,259.88x = 29,610,967.85
  5. Step 5: Solve for x
    x = 29,610,967.85/6,259.88
  6. Step 6: Final answer
    x = 4,730.28

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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.