Home / 6,521.79-9,000.09-3,537.64

Finding the Fourth Proportional to 6,521.79, 9,000.09 and 3,537.64

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Solution

The fourth proportional to 6,521.79, 9,000.09 and 3,537.64 is: 4,881.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,521.79 : 9,000.09 = 3,537.64 : x
  2. Step 2: Convert to fraction form
    6,521.79/9,000.09 = 3,537.64/x
  3. Step 3: Cross multiply
    6,521.79x = 9,000.09 × 3,537.64
  4. Step 4: Simplify right side
    6,521.79x = 31,839,078.39
  5. Step 5: Solve for x
    x = 31,839,078.39/6,521.79
  6. Step 6: Final answer
    x = 4,881.95

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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.