Home / 4,430.79-6,611.45-3,965.36

Finding the Fourth Proportional to 4,430.79, 6,611.45 and 3,965.36

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Solution

The fourth proportional to 4,430.79, 6,611.45 and 3,965.36 is: 5,916.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,430.79 : 6,611.45 = 3,965.36 : x
  2. Step 2: Convert to fraction form
    4,430.79/6,611.45 = 3,965.36/x
  3. Step 3: Cross multiply
    4,430.79x = 6,611.45 × 3,965.36
  4. Step 4: Simplify right side
    4,430.79x = 26,216,726.49
  5. Step 5: Solve for x
    x = 26,216,726.49/4,430.79
  6. Step 6: Final answer
    x = 5,916.94

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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.