Home / 8,914.62-12,303.48-5,137.06

Finding the Fourth Proportional to 8,914.62, 12,303.48 and 5,137.06

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Solution

The fourth proportional to 8,914.62, 12,303.48 and 5,137.06 is: 7,089.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,914.62 : 12,303.48 = 5,137.06 : x
  2. Step 2: Convert to fraction form
    8,914.62/12,303.48 = 5,137.06/x
  3. Step 3: Cross multiply
    8,914.62x = 12,303.48 × 5,137.06
  4. Step 4: Simplify right side
    8,914.62x = 63,203,714.97
  5. Step 5: Solve for x
    x = 63,203,714.97/8,914.62
  6. Step 6: Final answer
    x = 7,089.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.