Home / 8,684.57-13,027.46-3,490.45

Finding the Fourth Proportional to 8,684.57, 13,027.46 and 3,490.45

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Solution

The fourth proportional to 8,684.57, 13,027.46 and 3,490.45 is: 5,235.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,684.57 : 13,027.46 = 3,490.45 : x
  2. Step 2: Convert to fraction form
    8,684.57/13,027.46 = 3,490.45/x
  3. Step 3: Cross multiply
    8,684.57x = 13,027.46 × 3,490.45
  4. Step 4: Simplify right side
    8,684.57x = 45,471,697.76
  5. Step 5: Solve for x
    x = 45,471,697.76/8,684.57
  6. Step 6: Final answer
    x = 5,235.92

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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.