Home / 6,873.20-9,485.23-3,888.97

Finding the Fourth Proportional to 6,873.20, 9,485.23 and 3,888.97

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Solution

The fourth proportional to 6,873.20, 9,485.23 and 3,888.97 is: 5,366.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,873.20 : 9,485.23 = 3,888.97 : x
  2. Step 2: Convert to fraction form
    6,873.20/9,485.23 = 3,888.97/x
  3. Step 3: Cross multiply
    6,873.20x = 9,485.23 × 3,888.97
  4. Step 4: Simplify right side
    6,873.20x = 36,887,774.91
  5. Step 5: Solve for x
    x = 36,887,774.91/6,873.20
  6. Step 6: Final answer
    x = 5,366.90

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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.