Home / 7,447.58-10,276.20-4,794.60

Finding the Fourth Proportional to 7,447.58, 10,276.20 and 4,794.60

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Solution

The fourth proportional to 7,447.58, 10,276.20 and 4,794.60 is: 6,615.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,447.58 : 10,276.20 = 4,794.60 : x
  2. Step 2: Convert to fraction form
    7,447.58/10,276.20 = 4,794.60/x
  3. Step 3: Cross multiply
    7,447.58x = 10,276.20 × 4,794.60
  4. Step 4: Simplify right side
    7,447.58x = 49,270,268.52
  5. Step 5: Solve for x
    x = 49,270,268.52/7,447.58
  6. Step 6: Final answer
    x = 6,615.61

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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.