Home / 7,381.57-11,065.73-2,698.28

Finding the Fourth Proportional to 7,381.57, 11,065.73 and 2,698.28

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Solution

The fourth proportional to 7,381.57, 11,065.73 and 2,698.28 is: 4,045.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381.57 : 11,065.73 = 2,698.28 : x
  2. Step 2: Convert to fraction form
    7,381.57/11,065.73 = 2,698.28/x
  3. Step 3: Cross multiply
    7,381.57x = 11,065.73 × 2,698.28
  4. Step 4: Simplify right side
    7,381.57x = 29,858,437.94
  5. Step 5: Solve for x
    x = 29,858,437.94/7,381.57
  6. Step 6: Final answer
    x = 4,045.00

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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.