Home / 6,521.97-9,000.34-3,537.81

Finding the Fourth Proportional to 6,521.97, 9,000.34 and 3,537.81

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Solution

The fourth proportional to 6,521.97, 9,000.34 and 3,537.81 is: 4,882.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,521.97 : 9,000.34 = 3,537.81 : x
  2. Step 2: Convert to fraction form
    6,521.97/9,000.34 = 3,537.81/x
  3. Step 3: Cross multiply
    6,521.97x = 9,000.34 × 3,537.81
  4. Step 4: Simplify right side
    6,521.97x = 31,841,492.86
  5. Step 5: Solve for x
    x = 31,841,492.86/6,521.97
  6. Step 6: Final answer
    x = 4,882.19

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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.