Home / 8,320.68-11,483.10-4,785.30

Finding the Fourth Proportional to 8,320.68, 11,483.10 and 4,785.30

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Solution

The fourth proportional to 8,320.68, 11,483.10 and 4,785.30 is: 6,604.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320.68 : 11,483.10 = 4,785.30 : x
  2. Step 2: Convert to fraction form
    8,320.68/11,483.10 = 4,785.30/x
  3. Step 3: Cross multiply
    8,320.68x = 11,483.10 × 4,785.30
  4. Step 4: Simplify right side
    8,320.68x = 54,950,078.43
  5. Step 5: Solve for x
    x = 54,950,078.43/8,320.68
  6. Step 6: Final answer
    x = 6,604.04

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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.