Home / 7,985.11-11,977.67-3,056.26

Finding the Fourth Proportional to 7,985.11, 11,977.67 and 3,056.26

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Solution

The fourth proportional to 7,985.11, 11,977.67 and 3,056.26 is: 4,584.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,985.11 : 11,977.67 = 3,056.26 : x
  2. Step 2: Convert to fraction form
    7,985.11/11,977.67 = 3,056.26/x
  3. Step 3: Cross multiply
    7,985.11x = 11,977.67 × 3,056.26
  4. Step 4: Simplify right side
    7,985.11x = 36,606,873.71
  5. Step 5: Solve for x
    x = 36,606,873.71/7,985.11
  6. Step 6: Final answer
    x = 4,584.39

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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.