Home / 6,259.60-8,638.44-3,607.54

Finding the Fourth Proportional to 6,259.60, 8,638.44 and 3,607.54

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Solution

The fourth proportional to 6,259.60, 8,638.44 and 3,607.54 is: 4,978.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,259.60 : 8,638.44 = 3,607.54 : x
  2. Step 2: Convert to fraction form
    6,259.60/8,638.44 = 3,607.54/x
  3. Step 3: Cross multiply
    6,259.60x = 8,638.44 × 3,607.54
  4. Step 4: Simplify right side
    6,259.60x = 31,163,517.84
  5. Step 5: Solve for x
    x = 31,163,517.84/6,259.60
  6. Step 6: Final answer
    x = 4,978.52

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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.