Home / 6,521.93-9,780.24-3,191.62

Finding the Fourth Proportional to 6,521.93, 9,780.24 and 3,191.62

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Solution

The fourth proportional to 6,521.93, 9,780.24 and 3,191.62 is: 4,786.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,521.93 : 9,780.24 = 3,191.62 : x
  2. Step 2: Convert to fraction form
    6,521.93/9,780.24 = 3,191.62/x
  3. Step 3: Cross multiply
    6,521.93x = 9,780.24 × 3,191.62
  4. Step 4: Simplify right side
    6,521.93x = 31,214,809.59
  5. Step 5: Solve for x
    x = 31,214,809.59/6,521.93
  6. Step 6: Final answer
    x = 4,786.13

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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.