Home / 6,245.60-9,369.54-2,085.21

Finding the Fourth Proportional to 6,245.60, 9,369.54 and 2,085.21

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Solution

The fourth proportional to 6,245.60, 9,369.54 and 2,085.21 is: 3,128.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,245.60 : 9,369.54 = 2,085.21 : x
  2. Step 2: Convert to fraction form
    6,245.60/9,369.54 = 2,085.21/x
  3. Step 3: Cross multiply
    6,245.60x = 9,369.54 × 2,085.21
  4. Step 4: Simplify right side
    6,245.60x = 19,537,458.50
  5. Step 5: Solve for x
    x = 19,537,458.50/6,245.60
  6. Step 6: Final answer
    x = 3,128.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.