Home / 4,886.72-7,321.44-4,783.04

Finding the Fourth Proportional to 4,886.72, 7,321.44 and 4,783.04

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Solution

The fourth proportional to 4,886.72, 7,321.44 and 4,783.04 is: 7,166.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886.72 : 7,321.44 = 4,783.04 : x
  2. Step 2: Convert to fraction form
    4,886.72/7,321.44 = 4,783.04/x
  3. Step 3: Cross multiply
    4,886.72x = 7,321.44 × 4,783.04
  4. Step 4: Simplify right side
    4,886.72x = 35,018,740.38
  5. Step 5: Solve for x
    x = 35,018,740.38/4,886.72
  6. Step 6: Final answer
    x = 7,166.10

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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.