Home / 5,580.57-8,370.63-2,459.76

Finding the Fourth Proportional to 5,580.57, 8,370.63 and 2,459.76

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Solution

The fourth proportional to 5,580.57, 8,370.63 and 2,459.76 is: 3,689.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,580.57 : 8,370.63 = 2,459.76 : x
  2. Step 2: Convert to fraction form
    5,580.57/8,370.63 = 2,459.76/x
  3. Step 3: Cross multiply
    5,580.57x = 8,370.63 × 2,459.76
  4. Step 4: Simplify right side
    5,580.57x = 20,589,740.85
  5. Step 5: Solve for x
    x = 20,589,740.85/5,580.57
  6. Step 6: Final answer
    x = 3,689.54

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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.