Home / 8,834.36-12,191.28-4,855.40

Finding the Fourth Proportional to 8,834.36, 12,191.28 and 4,855.40

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Solution

The fourth proportional to 8,834.36, 12,191.28 and 4,855.40 is: 6,700.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,834.36 : 12,191.28 = 4,855.40 : x
  2. Step 2: Convert to fraction form
    8,834.36/12,191.28 = 4,855.40/x
  3. Step 3: Cross multiply
    8,834.36x = 12,191.28 × 4,855.40
  4. Step 4: Simplify right side
    8,834.36x = 59,193,540.91
  5. Step 5: Solve for x
    x = 59,193,540.91/8,834.36
  6. Step 6: Final answer
    x = 6,700.38

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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.