Home / 5,913.96-8,160.80-3,261.20

Finding the Fourth Proportional to 5,913.96, 8,160.80 and 3,261.20

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Solution

The fourth proportional to 5,913.96, 8,160.80 and 3,261.20 is: 4,500.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913.96 : 8,160.80 = 3,261.20 : x
  2. Step 2: Convert to fraction form
    5,913.96/8,160.80 = 3,261.20/x
  3. Step 3: Cross multiply
    5,913.96x = 8,160.80 × 3,261.20
  4. Step 4: Simplify right side
    5,913.96x = 26,614,000.96
  5. Step 5: Solve for x
    x = 26,614,000.96/5,913.96
  6. Step 6: Final answer
    x = 4,500.20

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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.