Home / 6,147.20-8,483.64-3,495.44

Finding the Fourth Proportional to 6,147.20, 8,483.64 and 3,495.44

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Solution

The fourth proportional to 6,147.20, 8,483.64 and 3,495.44 is: 4,823.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,147.20 : 8,483.64 = 3,495.44 : x
  2. Step 2: Convert to fraction form
    6,147.20/8,483.64 = 3,495.44/x
  3. Step 3: Cross multiply
    6,147.20x = 8,483.64 × 3,495.44
  4. Step 4: Simplify right side
    6,147.20x = 29,654,054.60
  5. Step 5: Solve for x
    x = 29,654,054.60/6,147.20
  6. Step 6: Final answer
    x = 4,823.99

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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.