Home / 6,986.36-9,642.48-4,333.16

Finding the Fourth Proportional to 6,986.36, 9,642.48 and 4,333.16

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Solution

The fourth proportional to 6,986.36, 9,642.48 and 4,333.16 is: 5,980.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,986.36 : 9,642.48 = 4,333.16 : x
  2. Step 2: Convert to fraction form
    6,986.36/9,642.48 = 4,333.16/x
  3. Step 3: Cross multiply
    6,986.36x = 9,642.48 × 4,333.16
  4. Step 4: Simplify right side
    6,986.36x = 41,782,408.64
  5. Step 5: Solve for x
    x = 41,782,408.64/6,986.36
  6. Step 6: Final answer
    x = 5,980.57

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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.