Home / 5,563.58-7,677.29-3,140.79

Finding the Fourth Proportional to 5,563.58, 7,677.29 and 3,140.79

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Solution

The fourth proportional to 5,563.58, 7,677.29 and 3,140.79 is: 4,334.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,563.58 : 7,677.29 = 3,140.79 : x
  2. Step 2: Convert to fraction form
    5,563.58/7,677.29 = 3,140.79/x
  3. Step 3: Cross multiply
    5,563.58x = 7,677.29 × 3,140.79
  4. Step 4: Simplify right side
    5,563.58x = 24,112,739.96
  5. Step 5: Solve for x
    x = 24,112,739.96/5,563.58
  6. Step 6: Final answer
    x = 4,334.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.