Home / 6,729.06-9,281.77-4,342.08

Finding the Fourth Proportional to 6,729.06, 9,281.77 and 4,342.08

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Solution

The fourth proportional to 6,729.06, 9,281.77 and 4,342.08 is: 5,989.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,729.06 : 9,281.77 = 4,342.08 : x
  2. Step 2: Convert to fraction form
    6,729.06/9,281.77 = 4,342.08/x
  3. Step 3: Cross multiply
    6,729.06x = 9,281.77 × 4,342.08
  4. Step 4: Simplify right side
    6,729.06x = 40,302,187.88
  5. Step 5: Solve for x
    x = 40,302,187.88/6,729.06
  6. Step 6: Final answer
    x = 5,989.27

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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.