Home / 8,458.04-12,687.35-2,911.33

Finding the Fourth Proportional to 8,458.04, 12,687.35 and 2,911.33

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Solution

The fourth proportional to 8,458.04, 12,687.35 and 2,911.33 is: 4,367.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,458.04 : 12,687.35 = 2,911.33 : x
  2. Step 2: Convert to fraction form
    8,458.04/12,687.35 = 2,911.33/x
  3. Step 3: Cross multiply
    8,458.04x = 12,687.35 × 2,911.33
  4. Step 4: Simplify right side
    8,458.04x = 36,937,062.68
  5. Step 5: Solve for x
    x = 36,937,062.68/8,458.04
  6. Step 6: Final answer
    x = 4,367.09

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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.