Home / 6,521.14-9,783.52-2,141.68

Finding the Fourth Proportional to 6,521.14, 9,783.52 and 2,141.68

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Solution

The fourth proportional to 6,521.14, 9,783.52 and 2,141.68 is: 3,213.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,521.14 : 9,783.52 = 2,141.68 : x
  2. Step 2: Convert to fraction form
    6,521.14/9,783.52 = 2,141.68/x
  3. Step 3: Cross multiply
    6,521.14x = 9,783.52 × 2,141.68
  4. Step 4: Simplify right side
    6,521.14x = 20,953,169.11
  5. Step 5: Solve for x
    x = 20,953,169.11/6,521.14
  6. Step 6: Final answer
    x = 3,213.11

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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.