Home / 9,187.11-13,779.93-2,945.45

Finding the Fourth Proportional to 9,187.11, 13,779.93 and 2,945.45

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Solution

The fourth proportional to 9,187.11, 13,779.93 and 2,945.45 is: 4,417.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,187.11 : 13,779.93 = 2,945.45 : x
  2. Step 2: Convert to fraction form
    9,187.11/13,779.93 = 2,945.45/x
  3. Step 3: Cross multiply
    9,187.11x = 13,779.93 × 2,945.45
  4. Step 4: Simplify right side
    9,187.11x = 40,588,094.82
  5. Step 5: Solve for x
    x = 40,588,094.82/9,187.11
  6. Step 6: Final answer
    x = 4,417.94

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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.