Home / 7,012.23-9,676.70-3,868.35

Finding the Fourth Proportional to 7,012.23, 9,676.70 and 3,868.35

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Solution

The fourth proportional to 7,012.23, 9,676.70 and 3,868.35 is: 5,338.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,012.23 : 9,676.70 = 3,868.35 : x
  2. Step 2: Convert to fraction form
    7,012.23/9,676.70 = 3,868.35/x
  3. Step 3: Cross multiply
    7,012.23x = 9,676.70 × 3,868.35
  4. Step 4: Simplify right side
    7,012.23x = 37,432,843.10
  5. Step 5: Solve for x
    x = 37,432,843.10/7,012.23
  6. Step 6: Final answer
    x = 5,338.22

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1.5x scale

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.