Home / 9,137.37-12,609.77-6,305.36

Finding the Fourth Proportional to 9,137.37, 12,609.77 and 6,305.36

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Solution

The fourth proportional to 9,137.37, 12,609.77 and 6,305.36 is: 8,701.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,137.37 : 12,609.77 = 6,305.36 : x
  2. Step 2: Convert to fraction form
    9,137.37/12,609.77 = 6,305.36/x
  3. Step 3: Cross multiply
    9,137.37x = 12,609.77 × 6,305.36
  4. Step 4: Simplify right side
    9,137.37x = 79,509,044.79
  5. Step 5: Solve for x
    x = 79,509,044.79/9,137.37
  6. Step 6: Final answer
    x = 8,701.52

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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.