Home / 6,200.10-8,555.76-3,405.60

Finding the Fourth Proportional to 6,200.10, 8,555.76 and 3,405.60

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Solution

The fourth proportional to 6,200.10, 8,555.76 and 3,405.60 is: 4,699.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,200.10 : 8,555.76 = 3,405.60 : x
  2. Step 2: Convert to fraction form
    6,200.10/8,555.76 = 3,405.60/x
  3. Step 3: Cross multiply
    6,200.10x = 8,555.76 × 3,405.60
  4. Step 4: Simplify right side
    6,200.10x = 29,137,496.26
  5. Step 5: Solve for x
    x = 29,137,496.26/6,200.10
  6. Step 6: Final answer
    x = 4,699.52

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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.