Home / 7,379.24-11,069.02-2,759.72

Finding the Fourth Proportional to 7,379.24, 11,069.02 and 2,759.72

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Solution

The fourth proportional to 7,379.24, 11,069.02 and 2,759.72 is: 4,139.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,379.24 : 11,069.02 = 2,759.72 : x
  2. Step 2: Convert to fraction form
    7,379.24/11,069.02 = 2,759.72/x
  3. Step 3: Cross multiply
    7,379.24x = 11,069.02 × 2,759.72
  4. Step 4: Simplify right side
    7,379.24x = 30,547,395.87
  5. Step 5: Solve for x
    x = 30,547,395.87/7,379.24
  6. Step 6: Final answer
    x = 4,139.64

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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.