Home / 6,521.91-9,000.21-3,537.70

Finding the Fourth Proportional to 6,521.91, 9,000.21 and 3,537.70

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Solution

The fourth proportional to 6,521.91, 9,000.21 and 3,537.70 is: 4,882.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,521.91 : 9,000.21 = 3,537.70 : x
  2. Step 2: Convert to fraction form
    6,521.91/9,000.21 = 3,537.70/x
  3. Step 3: Cross multiply
    6,521.91x = 9,000.21 × 3,537.70
  4. Step 4: Simplify right side
    6,521.91x = 31,840,042.92
  5. Step 5: Solve for x
    x = 31,840,042.92/6,521.91
  6. Step 6: Final answer
    x = 4,882.01

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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.