Home / 8,815.74-13,219.47-4,134.18

Finding the Fourth Proportional to 8,815.74, 13,219.47 and 4,134.18

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Solution

The fourth proportional to 8,815.74, 13,219.47 and 4,134.18 is: 6,199.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815.74 : 13,219.47 = 4,134.18 : x
  2. Step 2: Convert to fraction form
    8,815.74/13,219.47 = 4,134.18/x
  3. Step 3: Cross multiply
    8,815.74x = 13,219.47 × 4,134.18
  4. Step 4: Simplify right side
    8,815.74x = 54,651,668.48
  5. Step 5: Solve for x
    x = 54,651,668.48/8,815.74
  6. Step 6: Final answer
    x = 6,199.33

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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.