Home / 8,283.91-12,416.88-4,127.02

Finding the Fourth Proportional to 8,283.91, 12,416.88 and 4,127.02

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Solution

The fourth proportional to 8,283.91, 12,416.88 and 4,127.02 is: 6,186.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,283.91 : 12,416.88 = 4,127.02 : x
  2. Step 2: Convert to fraction form
    8,283.91/12,416.88 = 4,127.02/x
  3. Step 3: Cross multiply
    8,283.91x = 12,416.88 × 4,127.02
  4. Step 4: Simplify right side
    8,283.91x = 51,244,712.10
  5. Step 5: Solve for x
    x = 51,244,712.10/8,283.91
  6. Step 6: Final answer
    x = 6,186.05

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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.