Home / 5,457.85-7,531.38-3,219.82

Finding the Fourth Proportional to 5,457.85, 7,531.38 and 3,219.82

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Solution

The fourth proportional to 5,457.85, 7,531.38 and 3,219.82 is: 4,443.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457.85 : 7,531.38 = 3,219.82 : x
  2. Step 2: Convert to fraction form
    5,457.85/7,531.38 = 3,219.82/x
  3. Step 3: Cross multiply
    5,457.85x = 7,531.38 × 3,219.82
  4. Step 4: Simplify right side
    5,457.85x = 24,249,669.12
  5. Step 5: Solve for x
    x = 24,249,669.12/5,457.85
  6. Step 6: Final answer
    x = 4,443.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.