Home / 5,281.03-7,916.30-2,942.10

Finding the Fourth Proportional to 5,281.03, 7,916.30 and 2,942.10

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Solution

The fourth proportional to 5,281.03, 7,916.30 and 2,942.10 is: 4,410.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281.03 : 7,916.30 = 2,942.10 : x
  2. Step 2: Convert to fraction form
    5,281.03/7,916.30 = 2,942.10/x
  3. Step 3: Cross multiply
    5,281.03x = 7,916.30 × 2,942.10
  4. Step 4: Simplify right side
    5,281.03x = 23,290,546.23
  5. Step 5: Solve for x
    x = 23,290,546.23/5,281.03
  6. Step 6: Final answer
    x = 4,410.23

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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.