Home / 4,931.36-7,397.42-1,644.45

Finding the Fourth Proportional to 4,931.36, 7,397.42 and 1,644.45

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Solution

The fourth proportional to 4,931.36, 7,397.42 and 1,644.45 is: 2,466.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,931.36 : 7,397.42 = 1,644.45 : x
  2. Step 2: Convert to fraction form
    4,931.36/7,397.42 = 1,644.45/x
  3. Step 3: Cross multiply
    4,931.36x = 7,397.42 × 1,644.45
  4. Step 4: Simplify right side
    4,931.36x = 12,164,709.92
  5. Step 5: Solve for x
    x = 12,164,709.92/4,931.36
  6. Step 6: Final answer
    x = 2,466.81

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.