Home / 4,683.20-6,449.73-3,890.01

Finding the Fourth Proportional to 4,683.20, 6,449.73 and 3,890.01

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Solution

The fourth proportional to 4,683.20, 6,449.73 and 3,890.01 is: 5,357.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,683.20 : 6,449.73 = 3,890.01 : x
  2. Step 2: Convert to fraction form
    4,683.20/6,449.73 = 3,890.01/x
  3. Step 3: Cross multiply
    4,683.20x = 6,449.73 × 3,890.01
  4. Step 4: Simplify right side
    4,683.20x = 25,089,491.67
  5. Step 5: Solve for x
    x = 25,089,491.67/4,683.20
  6. Step 6: Final answer
    x = 5,357.34

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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.