Home / 5,240.54-7,223.55-3,977.48

Finding the Fourth Proportional to 5,240.54, 7,223.55 and 3,977.48

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Solution

The fourth proportional to 5,240.54, 7,223.55 and 3,977.48 is: 5,482.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.54 : 7,223.55 = 3,977.48 : x
  2. Step 2: Convert to fraction form
    5,240.54/7,223.55 = 3,977.48/x
  3. Step 3: Cross multiply
    5,240.54x = 7,223.55 × 3,977.48
  4. Step 4: Simplify right side
    5,240.54x = 28,731,525.65
  5. Step 5: Solve for x
    x = 28,731,525.65/5,240.54
  6. Step 6: Final answer
    x = 5,482.55

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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.