Home / 4,931.27-7,396.16-2,157.46

Finding the Fourth Proportional to 4,931.27, 7,396.16 and 2,157.46

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Solution

The fourth proportional to 4,931.27, 7,396.16 and 2,157.46 is: 3,235.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,931.27 : 7,396.16 = 2,157.46 : x
  2. Step 2: Convert to fraction form
    4,931.27/7,396.16 = 2,157.46/x
  3. Step 3: Cross multiply
    4,931.27x = 7,396.16 × 2,157.46
  4. Step 4: Simplify right side
    4,931.27x = 15,956,919.35
  5. Step 5: Solve for x
    x = 15,956,919.35/4,931.27
  6. Step 6: Final answer
    x = 3,235.86

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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.