Home / 8,717.10-12,029.48-4,738.12

Finding the Fourth Proportional to 8,717.10, 12,029.48 and 4,738.12

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Solution

The fourth proportional to 8,717.10, 12,029.48 and 4,738.12 is: 6,538.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,717.10 : 12,029.48 = 4,738.12 : x
  2. Step 2: Convert to fraction form
    8,717.10/12,029.48 = 4,738.12/x
  3. Step 3: Cross multiply
    8,717.10x = 12,029.48 × 4,738.12
  4. Step 4: Simplify right side
    8,717.10x = 56,997,119.78
  5. Step 5: Solve for x
    x = 56,997,119.78/8,717.10
  6. Step 6: Final answer
    x = 6,538.54

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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.