Home / 6,580.12-9,077.47-3,889.55

Finding the Fourth Proportional to 6,580.12, 9,077.47 and 3,889.55

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Solution

The fourth proportional to 6,580.12, 9,077.47 and 3,889.55 is: 5,365.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,580.12 : 9,077.47 = 3,889.55 : x
  2. Step 2: Convert to fraction form
    6,580.12/9,077.47 = 3,889.55/x
  3. Step 3: Cross multiply
    6,580.12x = 9,077.47 × 3,889.55
  4. Step 4: Simplify right side
    6,580.12x = 35,307,273.44
  5. Step 5: Solve for x
    x = 35,307,273.44/6,580.12
  6. Step 6: Final answer
    x = 5,365.75

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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.