Home / 6,128.10-9,186.96-2,795.16

Finding the Fourth Proportional to 6,128.10, 9,186.96 and 2,795.16

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Solution

The fourth proportional to 6,128.10, 9,186.96 and 2,795.16 is: 4,190.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,128.10 : 9,186.96 = 2,795.16 : x
  2. Step 2: Convert to fraction form
    6,128.10/9,186.96 = 2,795.16/x
  3. Step 3: Cross multiply
    6,128.10x = 9,186.96 × 2,795.16
  4. Step 4: Simplify right side
    6,128.10x = 25,679,023.11
  5. Step 5: Solve for x
    x = 25,679,023.11/6,128.10
  6. Step 6: Final answer
    x = 4,190.37

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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.