Home / 5,372.55-8,064.90-4,145.40

Finding the Fourth Proportional to 5,372.55, 8,064.90 and 4,145.40

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Solution

The fourth proportional to 5,372.55, 8,064.90 and 4,145.40 is: 6,222.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,372.55 : 8,064.90 = 4,145.40 : x
  2. Step 2: Convert to fraction form
    5,372.55/8,064.90 = 4,145.40/x
  3. Step 3: Cross multiply
    5,372.55x = 8,064.90 × 4,145.40
  4. Step 4: Simplify right side
    5,372.55x = 33,432,236.46
  5. Step 5: Solve for x
    x = 33,432,236.46/5,372.55
  6. Step 6: Final answer
    x = 6,222.79

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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.