Home / 5,152.95-7,728.21-4,224.69

Finding the Fourth Proportional to 5,152.95, 7,728.21 and 4,224.69

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Solution

The fourth proportional to 5,152.95, 7,728.21 and 4,224.69 is: 6,336.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,152.95 : 7,728.21 = 4,224.69 : x
  2. Step 2: Convert to fraction form
    5,152.95/7,728.21 = 4,224.69/x
  3. Step 3: Cross multiply
    5,152.95x = 7,728.21 × 4,224.69
  4. Step 4: Simplify right side
    5,152.95x = 32,649,291.50
  5. Step 5: Solve for x
    x = 32,649,291.50/5,152.95
  6. Step 6: Final answer
    x = 6,336.04

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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.