Home / 5,588.56-7,712.31-3,070.78

Finding the Fourth Proportional to 5,588.56, 7,712.31 and 3,070.78

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Solution

The fourth proportional to 5,588.56, 7,712.31 and 3,070.78 is: 4,237.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,588.56 : 7,712.31 = 3,070.78 : x
  2. Step 2: Convert to fraction form
    5,588.56/7,712.31 = 3,070.78/x
  3. Step 3: Cross multiply
    5,588.56x = 7,712.31 × 3,070.78
  4. Step 4: Simplify right side
    5,588.56x = 23,682,807.30
  5. Step 5: Solve for x
    x = 23,682,807.30/5,588.56
  6. Step 6: Final answer
    x = 4,237.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.