Home / 4,740.45-7,092.45-3,100.20

Finding the Fourth Proportional to 4,740.45, 7,092.45 and 3,100.20

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Solution

The fourth proportional to 4,740.45, 7,092.45 and 3,100.20 is: 4,638.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,740.45 : 7,092.45 = 3,100.20 : x
  2. Step 2: Convert to fraction form
    4,740.45/7,092.45 = 3,100.20/x
  3. Step 3: Cross multiply
    4,740.45x = 7,092.45 × 3,100.20
  4. Step 4: Simplify right side
    4,740.45x = 21,988,013.49
  5. Step 5: Solve for x
    x = 21,988,013.49/4,740.45
  6. Step 6: Final answer
    x = 4,638.38

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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.