Home / 6,457.92-9,687.36-1,841.28

Finding the Fourth Proportional to 6,457.92, 9,687.36 and 1,841.28

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Solution

The fourth proportional to 6,457.92, 9,687.36 and 1,841.28 is: 2,762.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,457.92 : 9,687.36 = 1,841.28 : x
  2. Step 2: Convert to fraction form
    6,457.92/9,687.36 = 1,841.28/x
  3. Step 3: Cross multiply
    6,457.92x = 9,687.36 × 1,841.28
  4. Step 4: Simplify right side
    6,457.92x = 17,837,142.22
  5. Step 5: Solve for x
    x = 17,837,142.22/6,457.92
  6. Step 6: Final answer
    x = 2,762.06

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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.