Home / 7,439.44-11,148-4,312.12

Finding the Fourth Proportional to 7,439.44, 11,148 and 4,312.12

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Solution

The fourth proportional to 7,439.44, 11,148 and 4,312.12 is: 6,461.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439.44 : 11,148 = 4,312.12 : x
  2. Step 2: Convert to fraction form
    7,439.44/11,148 = 4,312.12/x
  3. Step 3: Cross multiply
    7,439.44x = 11,148 × 4,312.12
  4. Step 4: Simplify right side
    7,439.44x = 48,071,513.76
  5. Step 5: Solve for x
    x = 48,071,513.76/7,439.44
  6. Step 6: Final answer
    x = 6,461.71

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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.