Home / 4,219.56-6,319.98-3,395.76

Finding the Fourth Proportional to 4,219.56, 6,319.98 and 3,395.76

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Solution

The fourth proportional to 4,219.56, 6,319.98 and 3,395.76 is: 5,086.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,219.56 : 6,319.98 = 3,395.76 : x
  2. Step 2: Convert to fraction form
    4,219.56/6,319.98 = 3,395.76/x
  3. Step 3: Cross multiply
    4,219.56x = 6,319.98 × 3,395.76
  4. Step 4: Simplify right side
    4,219.56x = 21,461,135.28
  5. Step 5: Solve for x
    x = 21,461,135.28/4,219.56
  6. Step 6: Final answer
    x = 5,086.11

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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.