Home / 8,782.89-13,174.34-3,588.77

Finding the Fourth Proportional to 8,782.89, 13,174.34 and 3,588.77

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Solution

The fourth proportional to 8,782.89, 13,174.34 and 3,588.77 is: 5,383.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,782.89 : 13,174.34 = 3,588.77 : x
  2. Step 2: Convert to fraction form
    8,782.89/13,174.34 = 3,588.77/x
  3. Step 3: Cross multiply
    8,782.89x = 13,174.34 × 3,588.77
  4. Step 4: Simplify right side
    8,782.89x = 47,279,676.16
  5. Step 5: Solve for x
    x = 47,279,676.16/8,782.89
  6. Step 6: Final answer
    x = 5,383.16

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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.