Home / 5,584.47-8,376.66-1,688.88

Finding the Fourth Proportional to 5,584.47, 8,376.66 and 1,688.88

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Solution

The fourth proportional to 5,584.47, 8,376.66 and 1,688.88 is: 2,533.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,584.47 : 8,376.66 = 1,688.88 : x
  2. Step 2: Convert to fraction form
    5,584.47/8,376.66 = 1,688.88/x
  3. Step 3: Cross multiply
    5,584.47x = 8,376.66 × 1,688.88
  4. Step 4: Simplify right side
    5,584.47x = 14,147,173.54
  5. Step 5: Solve for x
    x = 14,147,173.54/5,584.47
  6. Step 6: Final answer
    x = 2,533.31

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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.