Home / 4,723.60-7,085.39-1,213.62

Finding the Fourth Proportional to 4,723.60, 7,085.39 and 1,213.62

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Solution

The fourth proportional to 4,723.60, 7,085.39 and 1,213.62 is: 1,820.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,723.60 : 7,085.39 = 1,213.62 : x
  2. Step 2: Convert to fraction form
    4,723.60/7,085.39 = 1,213.62/x
  3. Step 3: Cross multiply
    4,723.60x = 7,085.39 × 1,213.62
  4. Step 4: Simplify right side
    4,723.60x = 8,598,971.01
  5. Step 5: Solve for x
    x = 8,598,971.01/4,723.60
  6. Step 6: Final answer
    x = 1,820.43

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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.