Home / 9,005.45-13,508.13-3,082.35

Finding the Fourth Proportional to 9,005.45, 13,508.13 and 3,082.35

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Solution

The fourth proportional to 9,005.45, 13,508.13 and 3,082.35 is: 4,623.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,005.45 : 13,508.13 = 3,082.35 : x
  2. Step 2: Convert to fraction form
    9,005.45/13,508.13 = 3,082.35/x
  3. Step 3: Cross multiply
    9,005.45x = 13,508.13 × 3,082.35
  4. Step 4: Simplify right side
    9,005.45x = 41,636,784.51
  5. Step 5: Solve for x
    x = 41,636,784.51/9,005.45
  6. Step 6: Final answer
    x = 4,623.51

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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.