Home / 7,460.49-11,189.90-1,913.96

Finding the Fourth Proportional to 7,460.49, 11,189.90 and 1,913.96

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Solution

The fourth proportional to 7,460.49, 11,189.90 and 1,913.96 is: 2,870.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,460.49 : 11,189.90 = 1,913.96 : x
  2. Step 2: Convert to fraction form
    7,460.49/11,189.90 = 1,913.96/x
  3. Step 3: Cross multiply
    7,460.49x = 11,189.90 × 1,913.96
  4. Step 4: Simplify right side
    7,460.49x = 21,417,021.00
  5. Step 5: Solve for x
    x = 21,417,021.00/7,460.49
  6. Step 6: Final answer
    x = 2,870.73

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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.