Home / 4,790.36-7,172.21-2,445.30

Finding the Fourth Proportional to 4,790.36, 7,172.21 and 2,445.30

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Solution

The fourth proportional to 4,790.36, 7,172.21 and 2,445.30 is: 3,661.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,790.36 : 7,172.21 = 2,445.30 : x
  2. Step 2: Convert to fraction form
    4,790.36/7,172.21 = 2,445.30/x
  3. Step 3: Cross multiply
    4,790.36x = 7,172.21 × 2,445.30
  4. Step 4: Simplify right side
    4,790.36x = 17,538,211.23
  5. Step 5: Solve for x
    x = 17,538,211.23/4,790.36
  6. Step 6: Final answer
    x = 3,661.14

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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.