Home / 7,386.86-11,075.84-2,945.21

Finding the Fourth Proportional to 7,386.86, 11,075.84 and 2,945.21

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Solution

The fourth proportional to 7,386.86, 11,075.84 and 2,945.21 is: 4,416.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,386.86 : 11,075.84 = 2,945.21 : x
  2. Step 2: Convert to fraction form
    7,386.86/11,075.84 = 2,945.21/x
  3. Step 3: Cross multiply
    7,386.86x = 11,075.84 × 2,945.21
  4. Step 4: Simplify right side
    7,386.86x = 32,620,674.73
  5. Step 5: Solve for x
    x = 32,620,674.73/7,386.86
  6. Step 6: Final answer
    x = 4,416.04

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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.