Home / 5,728.30-8,584.34-2,438.08

Finding the Fourth Proportional to 5,728.30, 8,584.34 and 2,438.08

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Solution

The fourth proportional to 5,728.30, 8,584.34 and 2,438.08 is: 3,653.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,728.30 : 8,584.34 = 2,438.08 : x
  2. Step 2: Convert to fraction form
    5,728.30/8,584.34 = 2,438.08/x
  3. Step 3: Cross multiply
    5,728.30x = 8,584.34 × 2,438.08
  4. Step 4: Simplify right side
    5,728.30x = 20,929,307.67
  5. Step 5: Solve for x
    x = 20,929,307.67/5,728.30
  6. Step 6: Final answer
    x = 3,653.67

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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.