Home / 5,689.41-8,528.25-2,178.45

Finding the Fourth Proportional to 5,689.41, 8,528.25 and 2,178.45

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Solution

The fourth proportional to 5,689.41, 8,528.25 and 2,178.45 is: 3,265.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,689.41 : 8,528.25 = 2,178.45 : x
  2. Step 2: Convert to fraction form
    5,689.41/8,528.25 = 2,178.45/x
  3. Step 3: Cross multiply
    5,689.41x = 8,528.25 × 2,178.45
  4. Step 4: Simplify right side
    5,689.41x = 18,578,390.02
  5. Step 5: Solve for x
    x = 18,578,390.02/5,689.41
  6. Step 6: Final answer
    x = 3,265.44

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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.