Home / 5,584.55-8,378.19-1,688.85

Finding the Fourth Proportional to 5,584.55, 8,378.19 and 1,688.85

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Solution

The fourth proportional to 5,584.55, 8,378.19 and 1,688.85 is: 2,533.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,584.55 : 8,378.19 = 1,688.85 : x
  2. Step 2: Convert to fraction form
    5,584.55/8,378.19 = 1,688.85/x
  3. Step 3: Cross multiply
    5,584.55x = 8,378.19 × 1,688.85
  4. Step 4: Simplify right side
    5,584.55x = 14,149,506.18
  5. Step 5: Solve for x
    x = 14,149,506.18/5,584.55
  6. Step 6: Final answer
    x = 2,533.69

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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.