Home / 5,704.79-8,557.20-2,420.16

Finding the Fourth Proportional to 5,704.79, 8,557.20 and 2,420.16

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Solution

The fourth proportional to 5,704.79, 8,557.20 and 2,420.16 is: 3,630.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,704.79 : 8,557.20 = 2,420.16 : x
  2. Step 2: Convert to fraction form
    5,704.79/8,557.20 = 2,420.16/x
  3. Step 3: Cross multiply
    5,704.79x = 8,557.20 × 2,420.16
  4. Step 4: Simplify right side
    5,704.79x = 20,709,793.15
  5. Step 5: Solve for x
    x = 20,709,793.15/5,704.79
  6. Step 6: Final answer
    x = 3,630.25

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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.