Home / 6,918.40-9,524.28-5,986.54

Finding the Fourth Proportional to 6,918.40, 9,524.28 and 5,986.54

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Solution

The fourth proportional to 6,918.40, 9,524.28 and 5,986.54 is: 8,241.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918.40 : 9,524.28 = 5,986.54 : x
  2. Step 2: Convert to fraction form
    6,918.40/9,524.28 = 5,986.54/x
  3. Step 3: Cross multiply
    6,918.40x = 9,524.28 × 5,986.54
  4. Step 4: Simplify right side
    6,918.40x = 57,017,483.19
  5. Step 5: Solve for x
    x = 57,017,483.19/6,918.40
  6. Step 6: Final answer
    x = 8,241.43

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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.