Home / 9,877.43-13,634.58-5,897.09

Finding the Fourth Proportional to 9,877.43, 13,634.58 and 5,897.09

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Solution

The fourth proportional to 9,877.43, 13,634.58 and 5,897.09 is: 8,140.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,877.43 : 13,634.58 = 5,897.09 : x
  2. Step 2: Convert to fraction form
    9,877.43/13,634.58 = 5,897.09/x
  3. Step 3: Cross multiply
    9,877.43x = 13,634.58 × 5,897.09
  4. Step 4: Simplify right side
    9,877.43x = 80,404,277.20
  5. Step 5: Solve for x
    x = 80,404,277.20/9,877.43
  6. Step 6: Final answer
    x = 8,140.21

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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.