Home / 5,539.92-8,313.12-2,077.20

Finding the Fourth Proportional to 5,539.92, 8,313.12 and 2,077.20

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Solution

The fourth proportional to 5,539.92, 8,313.12 and 2,077.20 is: 3,117.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,539.92 : 8,313.12 = 2,077.20 : x
  2. Step 2: Convert to fraction form
    5,539.92/8,313.12 = 2,077.20/x
  3. Step 3: Cross multiply
    5,539.92x = 8,313.12 × 2,077.20
  4. Step 4: Simplify right side
    5,539.92x = 17,268,012.86
  5. Step 5: Solve for x
    x = 17,268,012.86/5,539.92
  6. Step 6: Final answer
    x = 3,117.01

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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.