Home / 6,681.72-9,220.93-4,327.96

Finding the Fourth Proportional to 6,681.72, 9,220.93 and 4,327.96

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Solution

The fourth proportional to 6,681.72, 9,220.93 and 4,327.96 is: 5,972.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,681.72 : 9,220.93 = 4,327.96 : x
  2. Step 2: Convert to fraction form
    6,681.72/9,220.93 = 4,327.96/x
  3. Step 3: Cross multiply
    6,681.72x = 9,220.93 × 4,327.96
  4. Step 4: Simplify right side
    6,681.72x = 39,907,816.20
  5. Step 5: Solve for x
    x = 39,907,816.20/6,681.72
  6. Step 6: Final answer
    x = 5,972.69

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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.