Home / 6,868.05-10,302.11-2,918.29

Finding the Fourth Proportional to 6,868.05, 10,302.11 and 2,918.29

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Solution

The fourth proportional to 6,868.05, 10,302.11 and 2,918.29 is: 4,377.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,868.05 : 10,302.11 = 2,918.29 : x
  2. Step 2: Convert to fraction form
    6,868.05/10,302.11 = 2,918.29/x
  3. Step 3: Cross multiply
    6,868.05x = 10,302.11 × 2,918.29
  4. Step 4: Simplify right side
    6,868.05x = 30,064,544.59
  5. Step 5: Solve for x
    x = 30,064,544.59/6,868.05
  6. Step 6: Final answer
    x = 4,377.45

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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.