Home / 6,521.94-9,000.18-3,537.78

Finding the Fourth Proportional to 6,521.94, 9,000.18 and 3,537.78

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Solution

The fourth proportional to 6,521.94, 9,000.18 and 3,537.78 is: 4,882.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,521.94 : 9,000.18 = 3,537.78 : x
  2. Step 2: Convert to fraction form
    6,521.94/9,000.18 = 3,537.78/x
  3. Step 3: Cross multiply
    6,521.94x = 9,000.18 × 3,537.78
  4. Step 4: Simplify right side
    6,521.94x = 31,840,656.80
  5. Step 5: Solve for x
    x = 31,840,656.80/6,521.94
  6. Step 6: Final answer
    x = 4,882.08

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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.