Home / 8,854.16-13,270.58-3,918.20

Finding the Fourth Proportional to 8,854.16, 13,270.58 and 3,918.20

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Solution

The fourth proportional to 8,854.16, 13,270.58 and 3,918.20 is: 5,872.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,854.16 : 13,270.58 = 3,918.20 : x
  2. Step 2: Convert to fraction form
    8,854.16/13,270.58 = 3,918.20/x
  3. Step 3: Cross multiply
    8,854.16x = 13,270.58 × 3,918.20
  4. Step 4: Simplify right side
    8,854.16x = 51,996,786.56
  5. Step 5: Solve for x
    x = 51,996,786.56/8,854.16
  6. Step 6: Final answer
    x = 5,872.58

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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.