Home / 6,320.67-8,722.39-3,488.29

Finding the Fourth Proportional to 6,320.67, 8,722.39 and 3,488.29

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Solution

The fourth proportional to 6,320.67, 8,722.39 and 3,488.29 is: 4,813.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,320.67 : 8,722.39 = 3,488.29 : x
  2. Step 2: Convert to fraction form
    6,320.67/8,722.39 = 3,488.29/x
  3. Step 3: Cross multiply
    6,320.67x = 8,722.39 × 3,488.29
  4. Step 4: Simplify right side
    6,320.67x = 30,426,225.81
  5. Step 5: Solve for x
    x = 30,426,225.81/6,320.67
  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.