Home / 4,905.42-7,355.90-2,931.93

Finding the Fourth Proportional to 4,905.42, 7,355.90 and 2,931.93

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Solution

The fourth proportional to 4,905.42, 7,355.90 and 2,931.93 is: 4,396.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.42 : 7,355.90 = 2,931.93 : x
  2. Step 2: Convert to fraction form
    4,905.42/7,355.90 = 2,931.93/x
  3. Step 3: Cross multiply
    4,905.42x = 7,355.90 × 2,931.93
  4. Step 4: Simplify right side
    4,905.42x = 21,566,969.23
  5. Step 5: Solve for x
    x = 21,566,969.23/4,905.42
  6. Step 6: Final answer
    x = 4,396.56

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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.