Home / 7,555.06-11,328.69-3,391.49

Finding the Fourth Proportional to 7,555.06, 11,328.69 and 3,391.49

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Solution

The fourth proportional to 7,555.06, 11,328.69 and 3,391.49 is: 5,085.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,555.06 : 11,328.69 = 3,391.49 : x
  2. Step 2: Convert to fraction form
    7,555.06/11,328.69 = 3,391.49/x
  3. Step 3: Cross multiply
    7,555.06x = 11,328.69 × 3,391.49
  4. Step 4: Simplify right side
    7,555.06x = 38,421,121.89
  5. Step 5: Solve for x
    x = 38,421,121.89/7,555.06
  6. Step 6: Final answer
    x = 5,085.48

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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.