Home / 6,320.11-8,722.25-3,488.05

Finding the Fourth Proportional to 6,320.11, 8,722.25 and 3,488.05

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Solution

The fourth proportional to 6,320.11, 8,722.25 and 3,488.05 is: 4,813.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,320.11 : 8,722.25 = 3,488.05 : x
  2. Step 2: Convert to fraction form
    6,320.11/8,722.25 = 3,488.05/x
  3. Step 3: Cross multiply
    6,320.11x = 8,722.25 × 3,488.05
  4. Step 4: Simplify right side
    6,320.11x = 30,423,583.06
  5. Step 5: Solve for x
    x = 30,423,583.06/6,320.11
  6. Step 6: Final answer
    x = 4,813.77

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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.