Home / 4,683.20-7,023.90-1,396.40

Finding the Fourth Proportional to 4,683.20, 7,023.90 and 1,396.40

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Solution

The fourth proportional to 4,683.20, 7,023.90 and 1,396.40 is: 2,094.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,683.20 : 7,023.90 = 1,396.40 : x
  2. Step 2: Convert to fraction form
    4,683.20/7,023.90 = 1,396.40/x
  3. Step 3: Cross multiply
    4,683.20x = 7,023.90 × 1,396.40
  4. Step 4: Simplify right side
    4,683.20x = 9,808,173.96
  5. Step 5: Solve for x
    x = 9,808,173.96/4,683.20
  6. Step 6: Final answer
    x = 2,094.33

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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.