Home / 4,851.60-7,277.40-4,620.75

Finding the Fourth Proportional to 4,851.60, 7,277.40 and 4,620.75

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Solution

The fourth proportional to 4,851.60, 7,277.40 and 4,620.75 is: 6,931.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,851.60 : 7,277.40 = 4,620.75 : x
  2. Step 2: Convert to fraction form
    4,851.60/7,277.40 = 4,620.75/x
  3. Step 3: Cross multiply
    4,851.60x = 7,277.40 × 4,620.75
  4. Step 4: Simplify right side
    4,851.60x = 33,627,046.05
  5. Step 5: Solve for x
    x = 33,627,046.05/4,851.60
  6. Step 6: Final answer
    x = 6,931.13

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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.