Home / 7,157.37-10,739.45-3,457.53

Finding the Fourth Proportional to 7,157.37, 10,739.45 and 3,457.53

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Solution

The fourth proportional to 7,157.37, 10,739.45 and 3,457.53 is: 5,187.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,157.37 : 10,739.45 = 3,457.53 : x
  2. Step 2: Convert to fraction form
    7,157.37/10,739.45 = 3,457.53/x
  3. Step 3: Cross multiply
    7,157.37x = 10,739.45 × 3,457.53
  4. Step 4: Simplify right side
    7,157.37x = 37,131,979.20
  5. Step 5: Solve for x
    x = 37,131,979.20/7,157.37
  6. Step 6: Final answer
    x = 5,187.93

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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.