Home / 8,914.07-12,301.87-5,137.85

Finding the Fourth Proportional to 8,914.07, 12,301.87 and 5,137.85

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Solution

The fourth proportional to 8,914.07, 12,301.87 and 5,137.85 is: 7,090.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,914.07 : 12,301.87 = 5,137.85 : x
  2. Step 2: Convert to fraction form
    8,914.07/12,301.87 = 5,137.85/x
  3. Step 3: Cross multiply
    8,914.07x = 12,301.87 × 5,137.85
  4. Step 4: Simplify right side
    8,914.07x = 63,205,162.78
  5. Step 5: Solve for x
    x = 63,205,162.78/8,914.07
  6. Step 6: Final answer
    x = 7,090.49

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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.