Home / 8,004.85-12,009.07-2,458.76

Finding the Fourth Proportional to 8,004.85, 12,009.07 and 2,458.76

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Solution

The fourth proportional to 8,004.85, 12,009.07 and 2,458.76 is: 3,688.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,004.85 : 12,009.07 = 2,458.76 : x
  2. Step 2: Convert to fraction form
    8,004.85/12,009.07 = 2,458.76/x
  3. Step 3: Cross multiply
    8,004.85x = 12,009.07 × 2,458.76
  4. Step 4: Simplify right side
    8,004.85x = 29,527,417.70
  5. Step 5: Solve for x
    x = 29,527,417.70/8,004.85
  6. Step 6: Final answer
    x = 3,688.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.