Home / 7,852.27-11,778.40-3,689.23

Finding the Fourth Proportional to 7,852.27, 11,778.40 and 3,689.23

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Solution

The fourth proportional to 7,852.27, 11,778.40 and 3,689.23 is: 5,533.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,852.27 : 11,778.40 = 3,689.23 : x
  2. Step 2: Convert to fraction form
    7,852.27/11,778.40 = 3,689.23/x
  3. Step 3: Cross multiply
    7,852.27x = 11,778.40 × 3,689.23
  4. Step 4: Simplify right side
    7,852.27x = 43,453,226.63
  5. Step 5: Solve for x
    x = 43,453,226.63/7,852.27
  6. Step 6: Final answer
    x = 5,533.84

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Double scale
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Similar ratio
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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.