Home / 5,929.62-8,899.81-3,158.64

Finding the Fourth Proportional to 5,929.62, 8,899.81 and 3,158.64

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Solution

The fourth proportional to 5,929.62, 8,899.81 and 3,158.64 is: 4,740.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,929.62 : 8,899.81 = 3,158.64 : x
  2. Step 2: Convert to fraction form
    5,929.62/8,899.81 = 3,158.64/x
  3. Step 3: Cross multiply
    5,929.62x = 8,899.81 × 3,158.64
  4. Step 4: Simplify right side
    5,929.62x = 28,111,295.86
  5. Step 5: Solve for x
    x = 28,111,295.86/5,929.62
  6. Step 6: Final answer
    x = 4,740.83

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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.