Home / 4,331.40-6,506.70-4,216.20

Finding the Fourth Proportional to 4,331.40, 6,506.70 and 4,216.20

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Solution

The fourth proportional to 4,331.40, 6,506.70 and 4,216.20 is: 6,333.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,331.40 : 6,506.70 = 4,216.20 : x
  2. Step 2: Convert to fraction form
    4,331.40/6,506.70 = 4,216.20/x
  3. Step 3: Cross multiply
    4,331.40x = 6,506.70 × 4,216.20
  4. Step 4: Simplify right side
    4,331.40x = 27,433,548.54
  5. Step 5: Solve for x
    x = 27,433,548.54/4,331.40
  6. Step 6: Final answer
    x = 6,333.64

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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.