Home / 5,688.05-8,532.48-1,989.86

Finding the Fourth Proportional to 5,688.05, 8,532.48 and 1,989.86

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Solution

The fourth proportional to 5,688.05, 8,532.48 and 1,989.86 is: 2,984.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,688.05 : 8,532.48 = 1,989.86 : x
  2. Step 2: Convert to fraction form
    5,688.05/8,532.48 = 1,989.86/x
  3. Step 3: Cross multiply
    5,688.05x = 8,532.48 × 1,989.86
  4. Step 4: Simplify right side
    5,688.05x = 16,978,440.65
  5. Step 5: Solve for x
    x = 16,978,440.65/5,688.05
  6. Step 6: Final answer
    x = 2,984.93

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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.