Home / 4,783.74-7,179.54-2,445.48

Finding the Fourth Proportional to 4,783.74, 7,179.54 and 2,445.48

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Solution

The fourth proportional to 4,783.74, 7,179.54 and 2,445.48 is: 3,670.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,783.74 : 7,179.54 = 2,445.48 : x
  2. Step 2: Convert to fraction form
    4,783.74/7,179.54 = 2,445.48/x
  3. Step 3: Cross multiply
    4,783.74x = 7,179.54 × 2,445.48
  4. Step 4: Simplify right side
    4,783.74x = 17,557,421.48
  5. Step 5: Solve for x
    x = 17,557,421.48/4,783.74
  6. Step 6: Final answer
    x = 3,670.23

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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.