Home / 4,816.95-7,219.77-4,270.20

Finding the Fourth Proportional to 4,816.95, 7,219.77 and 4,270.20

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Solution

The fourth proportional to 4,816.95, 7,219.77 and 4,270.20 is: 6,400.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,816.95 : 7,219.77 = 4,270.20 : x
  2. Step 2: Convert to fraction form
    4,816.95/7,219.77 = 4,270.20/x
  3. Step 3: Cross multiply
    4,816.95x = 7,219.77 × 4,270.20
  4. Step 4: Simplify right side
    4,816.95x = 30,829,861.85
  5. Step 5: Solve for x
    x = 30,829,861.85/4,816.95
  6. Step 6: Final answer
    x = 6,400.29

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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.