Home / 9,186.09-13,779.95-2,946.39

Finding the Fourth Proportional to 9,186.09, 13,779.95 and 2,946.39

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Solution

The fourth proportional to 9,186.09, 13,779.95 and 2,946.39 is: 4,419.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,186.09 : 13,779.95 = 2,946.39 : x
  2. Step 2: Convert to fraction form
    9,186.09/13,779.95 = 2,946.39/x
  3. Step 3: Cross multiply
    9,186.09x = 13,779.95 × 2,946.39
  4. Step 4: Simplify right side
    9,186.09x = 40,601,092.15
  5. Step 5: Solve for x
    x = 40,601,092.15/9,186.09
  6. Step 6: Final answer
    x = 4,419.84

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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.