Home / 7,425.60-11,137.44-2,808

Finding the Fourth Proportional to 7,425.60, 11,137.44 and 2,808

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Solution

The fourth proportional to 7,425.60, 11,137.44 and 2,808 is: 4,211.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,425.60 : 11,137.44 = 2,808 : x
  2. Step 2: Convert to fraction form
    7,425.60/11,137.44 = 2,808/x
  3. Step 3: Cross multiply
    7,425.60x = 11,137.44 × 2,808
  4. Step 4: Simplify right side
    7,425.60x = 31,273,931.52
  5. Step 5: Solve for x
    x = 31,273,931.52/7,425.60
  6. Step 6: Final answer
    x = 4,211.64

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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.