Home / 6,863.40-10,280.70-4,530.60

Finding the Fourth Proportional to 6,863.40, 10,280.70 and 4,530.60

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Solution

The fourth proportional to 6,863.40, 10,280.70 and 4,530.60 is: 6,786.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,863.40 : 10,280.70 = 4,530.60 : x
  2. Step 2: Convert to fraction form
    6,863.40/10,280.70 = 4,530.60/x
  3. Step 3: Cross multiply
    6,863.40x = 10,280.70 × 4,530.60
  4. Step 4: Simplify right side
    6,863.40x = 46,577,739.42
  5. Step 5: Solve for x
    x = 46,577,739.42/6,863.40
  6. Step 6: Final answer
    x = 6,786.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.