Home / 5,777.31-8,665.01-2,078.85

Finding the Fourth Proportional to 5,777.31, 8,665.01 and 2,078.85

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Solution

The fourth proportional to 5,777.31, 8,665.01 and 2,078.85 is: 3,117.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,777.31 : 8,665.01 = 2,078.85 : x
  2. Step 2: Convert to fraction form
    5,777.31/8,665.01 = 2,078.85/x
  3. Step 3: Cross multiply
    5,777.31x = 8,665.01 × 2,078.85
  4. Step 4: Simplify right side
    5,777.31x = 18,013,256.04
  5. Step 5: Solve for x
    x = 18,013,256.04/5,777.31
  6. Step 6: Final answer
    x = 3,117.93

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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.