Home / 6,873.40-9,485.28-3,729.58

Finding the Fourth Proportional to 6,873.40, 9,485.28 and 3,729.58

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Solution

The fourth proportional to 6,873.40, 9,485.28 and 3,729.58 is: 5,146.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,873.40 : 9,485.28 = 3,729.58 : x
  2. Step 2: Convert to fraction form
    6,873.40/9,485.28 = 3,729.58/x
  3. Step 3: Cross multiply
    6,873.40x = 9,485.28 × 3,729.58
  4. Step 4: Simplify right side
    6,873.40x = 35,376,110.58
  5. Step 5: Solve for x
    x = 35,376,110.58/6,873.40
  6. Step 6: Final answer
    x = 5,146.81

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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.