Home / 6,980.07-10,457.79-3,685.89

Finding the Fourth Proportional to 6,980.07, 10,457.79 and 3,685.89

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Solution

The fourth proportional to 6,980.07, 10,457.79 and 3,685.89 is: 5,522.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,980.07 : 10,457.79 = 3,685.89 : x
  2. Step 2: Convert to fraction form
    6,980.07/10,457.79 = 3,685.89/x
  3. Step 3: Cross multiply
    6,980.07x = 10,457.79 × 3,685.89
  4. Step 4: Simplify right side
    6,980.07x = 38,546,263.58
  5. Step 5: Solve for x
    x = 38,546,263.58/6,980.07
  6. Step 6: Final answer
    x = 5,522.33

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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.