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Finding the Fourth Proportional to 4,958.04, 7,438.02 and 2,652.12

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Solution

The fourth proportional to 4,958.04, 7,438.02 and 2,652.12 is: 3,978.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,958.04 : 7,438.02 = 2,652.12 : x
  2. Step 2: Convert to fraction form
    4,958.04/7,438.02 = 2,652.12/x
  3. Step 3: Cross multiply
    4,958.04x = 7,438.02 × 2,652.12
  4. Step 4: Simplify right side
    4,958.04x = 19,726,521.60
  5. Step 5: Solve for x
    x = 19,726,521.60/4,958.04
  6. Step 6: Final answer
    x = 3,978.69

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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.