Home / 8,863.62-12,231.80-4,830.45

Finding the Fourth Proportional to 8,863.62, 12,231.80 and 4,830.45

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Solution

The fourth proportional to 8,863.62, 12,231.80 and 4,830.45 is: 6,666.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,863.62 : 12,231.80 = 4,830.45 : x
  2. Step 2: Convert to fraction form
    8,863.62/12,231.80 = 4,830.45/x
  3. Step 3: Cross multiply
    8,863.62x = 12,231.80 × 4,830.45
  4. Step 4: Simplify right side
    8,863.62x = 59,085,097.90
  5. Step 5: Solve for x
    x = 59,085,097.90/8,863.62
  6. Step 6: Final answer
    x = 6,666.02

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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.