Home / 5,580.92-8,372.58-1,685.72

Finding the Fourth Proportional to 5,580.92, 8,372.58 and 1,685.72

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Solution

The fourth proportional to 5,580.92, 8,372.58 and 1,685.72 is: 2,528.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,580.92 : 8,372.58 = 1,685.72 : x
  2. Step 2: Convert to fraction form
    5,580.92/8,372.58 = 1,685.72/x
  3. Step 3: Cross multiply
    5,580.92x = 8,372.58 × 1,685.72
  4. Step 4: Simplify right side
    5,580.92x = 14,113,825.56
  5. Step 5: Solve for x
    x = 14,113,825.56/5,580.92
  6. Step 6: Final answer
    x = 2,528.94

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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.