Home / 5,860.69-8,785.39-2,160.90

Finding the Fourth Proportional to 5,860.69, 8,785.39 and 2,160.90

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Solution

The fourth proportional to 5,860.69, 8,785.39 and 2,160.90 is: 3,239.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,860.69 : 8,785.39 = 2,160.90 : x
  2. Step 2: Convert to fraction form
    5,860.69/8,785.39 = 2,160.90/x
  3. Step 3: Cross multiply
    5,860.69x = 8,785.39 × 2,160.90
  4. Step 4: Simplify right side
    5,860.69x = 18,984,349.25
  5. Step 5: Solve for x
    x = 18,984,349.25/5,860.69
  6. Step 6: Final answer
    x = 3,239.27

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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.