Home / 6,986.05-10,460.58-3,689.14

Finding the Fourth Proportional to 6,986.05, 10,460.58 and 3,689.14

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Solution

The fourth proportional to 6,986.05, 10,460.58 and 3,689.14 is: 5,523.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,986.05 : 10,460.58 = 3,689.14 : x
  2. Step 2: Convert to fraction form
    6,986.05/10,460.58 = 3,689.14/x
  3. Step 3: Cross multiply
    6,986.05x = 10,460.58 × 3,689.14
  4. Step 4: Simplify right side
    6,986.05x = 38,590,544.10
  5. Step 5: Solve for x
    x = 38,590,544.10/6,986.05
  6. Step 6: Final answer
    x = 5,523.94

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1.5x scale

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.