Home / 9,005.10-13,511.68-5,717.30

Finding the Fourth Proportional to 9,005.10, 13,511.68 and 5,717.30

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Solution

The fourth proportional to 9,005.10, 13,511.68 and 5,717.30 is: 8,578.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,005.10 : 13,511.68 = 5,717.30 : x
  2. Step 2: Convert to fraction form
    9,005.10/13,511.68 = 5,717.30/x
  3. Step 3: Cross multiply
    9,005.10x = 13,511.68 × 5,717.30
  4. Step 4: Simplify right side
    9,005.10x = 77,250,328.06
  5. Step 5: Solve for x
    x = 77,250,328.06/9,005.10
  6. Step 6: Final answer
    x = 8,578.51

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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.