Home / 4,839.61-7,258.54-1,281.75

Finding the Fourth Proportional to 4,839.61, 7,258.54 and 1,281.75

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Solution

The fourth proportional to 4,839.61, 7,258.54 and 1,281.75 is: 1,922.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,839.61 : 7,258.54 = 1,281.75 : x
  2. Step 2: Convert to fraction form
    4,839.61/7,258.54 = 1,281.75/x
  3. Step 3: Cross multiply
    4,839.61x = 7,258.54 × 1,281.75
  4. Step 4: Simplify right side
    4,839.61x = 9,303,629.64
  5. Step 5: Solve for x
    x = 9,303,629.64/4,839.61
  6. Step 6: Final answer
    x = 1,922.39

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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.