Home / 5,539.18-8,313.63-3,076.78

Finding the Fourth Proportional to 5,539.18, 8,313.63 and 3,076.78

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Solution

The fourth proportional to 5,539.18, 8,313.63 and 3,076.78 is: 4,617.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,539.18 : 8,313.63 = 3,076.78 : x
  2. Step 2: Convert to fraction form
    5,539.18/8,313.63 = 3,076.78/x
  3. Step 3: Cross multiply
    5,539.18x = 8,313.63 × 3,076.78
  4. Step 4: Simplify right side
    5,539.18x = 25,579,210.51
  5. Step 5: Solve for x
    x = 25,579,210.51/5,539.18
  6. Step 6: Final answer
    x = 4,617.87

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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.