Home / 4,380.96-6,573.60-3,090.72

Finding the Fourth Proportional to 4,380.96, 6,573.60 and 3,090.72

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Solution

The fourth proportional to 4,380.96, 6,573.60 and 3,090.72 is: 4,637.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,380.96 : 6,573.60 = 3,090.72 : x
  2. Step 2: Convert to fraction form
    4,380.96/6,573.60 = 3,090.72/x
  3. Step 3: Cross multiply
    4,380.96x = 6,573.60 × 3,090.72
  4. Step 4: Simplify right side
    4,380.96x = 20,317,156.99
  5. Step 5: Solve for x
    x = 20,317,156.99/4,380.96
  6. Step 6: Final answer
    x = 4,637.60

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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.