Home / 5,999.90-8,278.08-3,642.80

Finding the Fourth Proportional to 5,999.90, 8,278.08 and 3,642.80

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Solution

The fourth proportional to 5,999.90, 8,278.08 and 3,642.80 is: 5,025.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,999.90 : 8,278.08 = 3,642.80 : x
  2. Step 2: Convert to fraction form
    5,999.90/8,278.08 = 3,642.80/x
  3. Step 3: Cross multiply
    5,999.90x = 8,278.08 × 3,642.80
  4. Step 4: Simplify right side
    5,999.90x = 30,155,389.82
  5. Step 5: Solve for x
    x = 30,155,389.82/5,999.90
  6. Step 6: Final answer
    x = 5,025.98

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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.