Home / 4,215.37-5,817.23-2,447.05

Finding the Fourth Proportional to 4,215.37, 5,817.23 and 2,447.05

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Solution

The fourth proportional to 4,215.37, 5,817.23 and 2,447.05 is: 3,376.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.37 : 5,817.23 = 2,447.05 : x
  2. Step 2: Convert to fraction form
    4,215.37/5,817.23 = 2,447.05/x
  3. Step 3: Cross multiply
    4,215.37x = 5,817.23 × 2,447.05
  4. Step 4: Simplify right side
    4,215.37x = 14,235,040.44
  5. Step 5: Solve for x
    x = 14,235,040.44/4,215.37
  6. Step 6: Final answer
    x = 3,376.94

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Half scale
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Double scale
Find fourth proportional to 4,216.37, 5,818.61 and 2,448.05
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.