Home / 8,335.05-12,496.08-4,172.91

Finding the Fourth Proportional to 8,335.05, 12,496.08 and 4,172.91

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Solution

The fourth proportional to 8,335.05, 12,496.08 and 4,172.91 is: 6,256.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,335.05 : 12,496.08 = 4,172.91 : x
  2. Step 2: Convert to fraction form
    8,335.05/12,496.08 = 4,172.91/x
  3. Step 3: Cross multiply
    8,335.05x = 12,496.08 × 4,172.91
  4. Step 4: Simplify right side
    8,335.05x = 52,145,048.43
  5. Step 5: Solve for x
    x = 52,145,048.43/8,335.05
  6. Step 6: Final answer
    x = 6,256.12

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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.