Home / 8,790.56-13,187.36-4,408.16

Finding the Fourth Proportional to 8,790.56, 13,187.36 and 4,408.16

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Solution

The fourth proportional to 8,790.56, 13,187.36 and 4,408.16 is: 6,613.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,790.56 : 13,187.36 = 4,408.16 : x
  2. Step 2: Convert to fraction form
    8,790.56/13,187.36 = 4,408.16/x
  3. Step 3: Cross multiply
    8,790.56x = 13,187.36 × 4,408.16
  4. Step 4: Simplify right side
    8,790.56x = 58,131,992.86
  5. Step 5: Solve for x
    x = 58,131,992.86/8,790.56
  6. Step 6: Final answer
    x = 6,613.00

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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.