Home / 8,890.31-13,334.36-5,558.85

Finding the Fourth Proportional to 8,890.31, 13,334.36 and 5,558.85

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Solution

The fourth proportional to 8,890.31, 13,334.36 and 5,558.85 is: 8,337.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,890.31 : 13,334.36 = 5,558.85 : x
  2. Step 2: Convert to fraction form
    8,890.31/13,334.36 = 5,558.85/x
  3. Step 3: Cross multiply
    8,890.31x = 13,334.36 × 5,558.85
  4. Step 4: Simplify right side
    8,890.31x = 74,123,720.98
  5. Step 5: Solve for x
    x = 74,123,720.98/8,890.31
  6. Step 6: Final answer
    x = 8,337.59

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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.