Home / 8,320.08-11,483.68-4,785.34

Finding the Fourth Proportional to 8,320.08, 11,483.68 and 4,785.34

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Solution

The fourth proportional to 8,320.08, 11,483.68 and 4,785.34 is: 6,604.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320.08 : 11,483.68 = 4,785.34 : x
  2. Step 2: Convert to fraction form
    8,320.08/11,483.68 = 4,785.34/x
  3. Step 3: Cross multiply
    8,320.08x = 11,483.68 × 4,785.34
  4. Step 4: Simplify right side
    8,320.08x = 54,953,313.25
  5. Step 5: Solve for x
    x = 54,953,313.25/8,320.08
  6. Step 6: Final answer
    x = 6,604.90

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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.