Home / 5,584.57-8,378.07-1,688.88

Finding the Fourth Proportional to 5,584.57, 8,378.07 and 1,688.88

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Solution

The fourth proportional to 5,584.57, 8,378.07 and 1,688.88 is: 2,533.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,584.57 : 8,378.07 = 1,688.88 : x
  2. Step 2: Convert to fraction form
    5,584.57/8,378.07 = 1,688.88/x
  3. Step 3: Cross multiply
    5,584.57x = 8,378.07 × 1,688.88
  4. Step 4: Simplify right side
    5,584.57x = 14,149,554.86
  5. Step 5: Solve for x
    x = 14,149,554.86/5,584.57
  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.