Home / 5,689.25-8,528.01-2,178.43

Finding the Fourth Proportional to 5,689.25, 8,528.01 and 2,178.43

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Solution

The fourth proportional to 5,689.25, 8,528.01 and 2,178.43 is: 3,265.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,689.25 : 8,528.01 = 2,178.43 : x
  2. Step 2: Convert to fraction form
    5,689.25/8,528.01 = 2,178.43/x
  3. Step 3: Cross multiply
    5,689.25x = 8,528.01 × 2,178.43
  4. Step 4: Simplify right side
    5,689.25x = 18,577,672.82
  5. Step 5: Solve for x
    x = 18,577,672.82/5,689.25
  6. Step 6: Final answer
    x = 3,265.40

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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.