Home / 8,837.49-12,182.70-5,650.40

Finding the Fourth Proportional to 8,837.49, 12,182.70 and 5,650.40

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Solution

The fourth proportional to 8,837.49, 12,182.70 and 5,650.40 is: 7,789.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,837.49 : 12,182.70 = 5,650.40 : x
  2. Step 2: Convert to fraction form
    8,837.49/12,182.70 = 5,650.40/x
  3. Step 3: Cross multiply
    8,837.49x = 12,182.70 × 5,650.40
  4. Step 4: Simplify right side
    8,837.49x = 68,837,067.17
  5. Step 5: Solve for x
    x = 68,837,067.17/8,837.49
  6. Step 6: Final answer
    x = 7,789.21

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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.