Home / 9,878.26-13,629.45-5,897.62

Finding the Fourth Proportional to 9,878.26, 13,629.45 and 5,897.62

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Solution

The fourth proportional to 9,878.26, 13,629.45 and 5,897.62 is: 8,137.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,878.26 : 13,629.45 = 5,897.62 : x
  2. Step 2: Convert to fraction form
    9,878.26/13,629.45 = 5,897.62/x
  3. Step 3: Cross multiply
    9,878.26x = 13,629.45 × 5,897.62
  4. Step 4: Simplify right side
    9,878.26x = 80,381,316.91
  5. Step 5: Solve for x
    x = 80,381,316.91/9,878.26
  6. Step 6: Final answer
    x = 8,137.19

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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.