Home / 5,457.24-8,187.48-2,539.08

Finding the Fourth Proportional to 5,457.24, 8,187.48 and 2,539.08

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Solution

The fourth proportional to 5,457.24, 8,187.48 and 2,539.08 is: 3,809.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457.24 : 8,187.48 = 2,539.08 : x
  2. Step 2: Convert to fraction form
    5,457.24/8,187.48 = 2,539.08/x
  3. Step 3: Cross multiply
    5,457.24x = 8,187.48 × 2,539.08
  4. Step 4: Simplify right side
    5,457.24x = 20,788,666.72
  5. Step 5: Solve for x
    x = 20,788,666.72/5,457.24
  6. Step 6: Final answer
    x = 3,809.37

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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.