Home / 8,717.18-12,029.73-4,738.29

Finding the Fourth Proportional to 8,717.18, 12,029.73 and 4,738.29

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Solution

The fourth proportional to 8,717.18, 12,029.73 and 4,738.29 is: 6,538.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,717.18 : 12,029.73 = 4,738.29 : x
  2. Step 2: Convert to fraction form
    8,717.18/12,029.73 = 4,738.29/x
  3. Step 3: Cross multiply
    8,717.18x = 12,029.73 × 4,738.29
  4. Step 4: Simplify right side
    8,717.18x = 57,000,289.21
  5. Step 5: Solve for x
    x = 57,000,289.21/8,717.18
  6. Step 6: Final answer
    x = 6,538.85

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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.