Home / 6,977.90-10,471.26-4,020.15

Finding the Fourth Proportional to 6,977.90, 10,471.26 and 4,020.15

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Solution

The fourth proportional to 6,977.90, 10,471.26 and 4,020.15 is: 6,032.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,977.90 : 10,471.26 = 4,020.15 : x
  2. Step 2: Convert to fraction form
    6,977.90/10,471.26 = 4,020.15/x
  3. Step 3: Cross multiply
    6,977.90x = 10,471.26 × 4,020.15
  4. Step 4: Simplify right side
    6,977.90x = 42,096,035.89
  5. Step 5: Solve for x
    x = 42,096,035.89/6,977.90
  6. Step 6: Final answer
    x = 6,032.77

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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.