Home / 5,459.42-8,185.08-3,818.90

Finding the Fourth Proportional to 5,459.42, 8,185.08 and 3,818.90

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Solution

The fourth proportional to 5,459.42, 8,185.08 and 3,818.90 is: 5,725.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459.42 : 8,185.08 = 3,818.90 : x
  2. Step 2: Convert to fraction form
    5,459.42/8,185.08 = 3,818.90/x
  3. Step 3: Cross multiply
    5,459.42x = 8,185.08 × 3,818.90
  4. Step 4: Simplify right side
    5,459.42x = 31,258,002.01
  5. Step 5: Solve for x
    x = 31,258,002.01/5,459.42
  6. Step 6: Final answer
    x = 5,725.52

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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.