Home / 8,457.08-12,689.26-3,527.82

Finding the Fourth Proportional to 8,457.08, 12,689.26 and 3,527.82

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Solution

The fourth proportional to 8,457.08, 12,689.26 and 3,527.82 is: 5,293.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,457.08 : 12,689.26 = 3,527.82 : x
  2. Step 2: Convert to fraction form
    8,457.08/12,689.26 = 3,527.82/x
  3. Step 3: Cross multiply
    8,457.08x = 12,689.26 × 3,527.82
  4. Step 4: Simplify right side
    8,457.08x = 44,765,416.39
  5. Step 5: Solve for x
    x = 44,765,416.39/8,457.08
  6. Step 6: Final answer
    x = 5,293.25

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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.