Home / 7,587.37-11,381.15-3,207.91

Finding the Fourth Proportional to 7,587.37, 11,381.15 and 3,207.91

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Solution

The fourth proportional to 7,587.37, 11,381.15 and 3,207.91 is: 4,811.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,587.37 : 11,381.15 = 3,207.91 : x
  2. Step 2: Convert to fraction form
    7,587.37/11,381.15 = 3,207.91/x
  3. Step 3: Cross multiply
    7,587.37x = 11,381.15 × 3,207.91
  4. Step 4: Simplify right side
    7,587.37x = 36,509,704.90
  5. Step 5: Solve for x
    x = 36,509,704.90/7,587.37
  6. Step 6: Final answer
    x = 4,811.91

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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.