Home / 7,039.04-9,713.60-4,207.99

Finding the Fourth Proportional to 7,039.04, 9,713.60 and 4,207.99

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Solution

The fourth proportional to 7,039.04, 9,713.60 and 4,207.99 is: 5,806.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039.04 : 9,713.60 = 4,207.99 : x
  2. Step 2: Convert to fraction form
    7,039.04/9,713.60 = 4,207.99/x
  3. Step 3: Cross multiply
    7,039.04x = 9,713.60 × 4,207.99
  4. Step 4: Simplify right side
    7,039.04x = 40,874,731.66
  5. Step 5: Solve for x
    x = 40,874,731.66/7,039.04
  6. Step 6: Final answer
    x = 5,806.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.