Home / 7,543.24-11,310.54-2,920.84

Finding the Fourth Proportional to 7,543.24, 11,310.54 and 2,920.84

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Solution

The fourth proportional to 7,543.24, 11,310.54 and 2,920.84 is: 4,379.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,543.24 : 11,310.54 = 2,920.84 : x
  2. Step 2: Convert to fraction form
    7,543.24/11,310.54 = 2,920.84/x
  3. Step 3: Cross multiply
    7,543.24x = 11,310.54 × 2,920.84
  4. Step 4: Simplify right side
    7,543.24x = 33,036,277.65
  5. Step 5: Solve for x
    x = 33,036,277.65/7,543.24
  6. Step 6: Final answer
    x = 4,379.59

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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.