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Finding the Fourth Proportional to 6,980.55, 10,444.91 and 3,904.71

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Solution

The fourth proportional to 6,980.55, 10,444.91 and 3,904.71 is: 5,842.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,980.55 : 10,444.91 = 3,904.71 : x
  2. Step 2: Convert to fraction form
    6,980.55/10,444.91 = 3,904.71/x
  3. Step 3: Cross multiply
    6,980.55x = 10,444.91 × 3,904.71
  4. Step 4: Simplify right side
    6,980.55x = 40,784,325.00
  5. Step 5: Solve for x
    x = 40,784,325.00/6,980.55
  6. Step 6: Final answer
    x = 5,842.57

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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.