Home / 6,868.98-10,303.47-3,945.42

Finding the Fourth Proportional to 6,868.98, 10,303.47 and 3,945.42

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Solution

The fourth proportional to 6,868.98, 10,303.47 and 3,945.42 is: 5,918.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,868.98 : 10,303.47 = 3,945.42 : x
  2. Step 2: Convert to fraction form
    6,868.98/10,303.47 = 3,945.42/x
  3. Step 3: Cross multiply
    6,868.98x = 10,303.47 × 3,945.42
  4. Step 4: Simplify right side
    6,868.98x = 40,651,516.61
  5. Step 5: Solve for x
    x = 40,651,516.61/6,868.98
  6. Step 6: Final answer
    x = 5,918.13

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Double scale
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Similar ratio
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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.