Home / 5,840.90-8,061.78-3,851.80

Finding the Fourth Proportional to 5,840.90, 8,061.78 and 3,851.80

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Solution

The fourth proportional to 5,840.90, 8,061.78 and 3,851.80 is: 5,316.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,840.90 : 8,061.78 = 3,851.80 : x
  2. Step 2: Convert to fraction form
    5,840.90/8,061.78 = 3,851.80/x
  3. Step 3: Cross multiply
    5,840.90x = 8,061.78 × 3,851.80
  4. Step 4: Simplify right side
    5,840.90x = 31,052,364.20
  5. Step 5: Solve for x
    x = 31,052,364.20/5,840.90
  6. Step 6: Final answer
    x = 5,316.37

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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.