Home / 4,436.32-6,655.92-2,128

Finding the Fourth Proportional to 4,436.32, 6,655.92 and 2,128

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Solution

The fourth proportional to 4,436.32, 6,655.92 and 2,128 is: 3,192.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,436.32 : 6,655.92 = 2,128 : x
  2. Step 2: Convert to fraction form
    4,436.32/6,655.92 = 2,128/x
  3. Step 3: Cross multiply
    4,436.32x = 6,655.92 × 2,128
  4. Step 4: Simplify right side
    4,436.32x = 14,163,797.76
  5. Step 5: Solve for x
    x = 14,163,797.76/4,436.32
  6. Step 6: Final answer
    x = 3,192.69

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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.