Home / 4,839.92-7,259.93-1,918.25

Finding the Fourth Proportional to 4,839.92, 7,259.93 and 1,918.25

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Solution

The fourth proportional to 4,839.92, 7,259.93 and 1,918.25 is: 2,877.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,839.92 : 7,259.93 = 1,918.25 : x
  2. Step 2: Convert to fraction form
    4,839.92/7,259.93 = 1,918.25/x
  3. Step 3: Cross multiply
    4,839.92x = 7,259.93 × 1,918.25
  4. Step 4: Simplify right side
    4,839.92x = 13,926,349.25
  5. Step 5: Solve for x
    x = 13,926,349.25/4,839.92
  6. Step 6: Final answer
    x = 2,877.39

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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.