Home / 4,840.80-7,257.60-2,065.20

Finding the Fourth Proportional to 4,840.80, 7,257.60 and 2,065.20

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Solution

The fourth proportional to 4,840.80, 7,257.60 and 2,065.20 is: 3,096.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,840.80 : 7,257.60 = 2,065.20 : x
  2. Step 2: Convert to fraction form
    4,840.80/7,257.60 = 2,065.20/x
  3. Step 3: Cross multiply
    4,840.80x = 7,257.60 × 2,065.20
  4. Step 4: Simplify right side
    4,840.80x = 14,988,395.52
  5. Step 5: Solve for x
    x = 14,988,395.52/4,840.80
  6. Step 6: Final answer
    x = 3,096.26

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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.