Home / 4,855.36-7,281.40-1,893.20

Finding the Fourth Proportional to 4,855.36, 7,281.40 and 1,893.20

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Solution

The fourth proportional to 4,855.36, 7,281.40 and 1,893.20 is: 2,839.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,855.36 : 7,281.40 = 1,893.20 : x
  2. Step 2: Convert to fraction form
    4,855.36/7,281.40 = 1,893.20/x
  3. Step 3: Cross multiply
    4,855.36x = 7,281.40 × 1,893.20
  4. Step 4: Simplify right side
    4,855.36x = 13,785,146.48
  5. Step 5: Solve for x
    x = 13,785,146.48/4,855.36
  6. Step 6: Final answer
    x = 2,839.16

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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.