Home / 7,901.54-11,852.85-2,636.36

Finding the Fourth Proportional to 7,901.54, 11,852.85 and 2,636.36

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Solution

The fourth proportional to 7,901.54, 11,852.85 and 2,636.36 is: 3,954.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,901.54 : 11,852.85 = 2,636.36 : x
  2. Step 2: Convert to fraction form
    7,901.54/11,852.85 = 2,636.36/x
  3. Step 3: Cross multiply
    7,901.54x = 11,852.85 × 2,636.36
  4. Step 4: Simplify right side
    7,901.54x = 31,248,379.63
  5. Step 5: Solve for x
    x = 31,248,379.63/7,901.54
  6. Step 6: Final answer
    x = 3,954.72

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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.