Home / 8,457.96-12,689.62-3,528.12

Finding the Fourth Proportional to 8,457.96, 12,689.62 and 3,528.12

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Solution

The fourth proportional to 8,457.96, 12,689.62 and 3,528.12 is: 5,293.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,457.96 : 12,689.62 = 3,528.12 : x
  2. Step 2: Convert to fraction form
    8,457.96/12,689.62 = 3,528.12/x
  3. Step 3: Cross multiply
    8,457.96x = 12,689.62 × 3,528.12
  4. Step 4: Simplify right side
    8,457.96x = 44,770,502.11
  5. Step 5: Solve for x
    x = 44,770,502.11/8,457.96
  6. Step 6: Final answer
    x = 5,293.30

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1.5x scale

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.