Home / 4,430.72-6,611.37-3,965.30

Finding the Fourth Proportional to 4,430.72, 6,611.37 and 3,965.30

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Solution

The fourth proportional to 4,430.72, 6,611.37 and 3,965.30 is: 5,916.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,430.72 : 6,611.37 = 3,965.30 : x
  2. Step 2: Convert to fraction form
    4,430.72/6,611.37 = 3,965.30/x
  3. Step 3: Cross multiply
    4,430.72x = 6,611.37 × 3,965.30
  4. Step 4: Simplify right side
    4,430.72x = 26,216,045.63
  5. Step 5: Solve for x
    x = 26,216,045.63/4,430.72
  6. Step 6: Final answer
    x = 5,916.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.