Home / 5,475.53-7,555.62-3,085.61

Finding the Fourth Proportional to 5,475.53, 7,555.62 and 3,085.61

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Solution

The fourth proportional to 5,475.53, 7,555.62 and 3,085.61 is: 4,257.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475.53 : 7,555.62 = 3,085.61 : x
  2. Step 2: Convert to fraction form
    5,475.53/7,555.62 = 3,085.61/x
  3. Step 3: Cross multiply
    5,475.53x = 7,555.62 × 3,085.61
  4. Step 4: Simplify right side
    5,475.53x = 23,313,696.63
  5. Step 5: Solve for x
    x = 23,313,696.63/5,475.53
  6. Step 6: Final answer
    x = 4,257.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.