Home / 4,425.76-6,635.40-1,827.28

Finding the Fourth Proportional to 4,425.76, 6,635.40 and 1,827.28

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Solution

The fourth proportional to 4,425.76, 6,635.40 and 1,827.28 is: 2,739.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,425.76 : 6,635.40 = 1,827.28 : x
  2. Step 2: Convert to fraction form
    4,425.76/6,635.40 = 1,827.28/x
  3. Step 3: Cross multiply
    4,425.76x = 6,635.40 × 1,827.28
  4. Step 4: Simplify right side
    4,425.76x = 12,124,733.71
  5. Step 5: Solve for x
    x = 12,124,733.71/4,425.76
  6. Step 6: Final answer
    x = 2,739.58

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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.