Home / 7,171.55-10,757.30-4,705.77

Finding the Fourth Proportional to 7,171.55, 10,757.30 and 4,705.77

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Solution

The fourth proportional to 7,171.55, 10,757.30 and 4,705.77 is: 7,058.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,171.55 : 10,757.30 = 4,705.77 : x
  2. Step 2: Convert to fraction form
    7,171.55/10,757.30 = 4,705.77/x
  3. Step 3: Cross multiply
    7,171.55x = 10,757.30 × 4,705.77
  4. Step 4: Simplify right side
    7,171.55x = 50,621,356.09
  5. Step 5: Solve for x
    x = 50,621,356.09/7,171.55
  6. Step 6: Final answer
    x = 7,058.64

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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.