Home / 8,537.83-11,781.25-5,181.46

Finding the Fourth Proportional to 8,537.83, 11,781.25 and 5,181.46

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Solution

The fourth proportional to 8,537.83, 11,781.25 and 5,181.46 is: 7,149.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,537.83 : 11,781.25 = 5,181.46 : x
  2. Step 2: Convert to fraction form
    8,537.83/11,781.25 = 5,181.46/x
  3. Step 3: Cross multiply
    8,537.83x = 11,781.25 × 5,181.46
  4. Step 4: Simplify right side
    8,537.83x = 61,044,075.63
  5. Step 5: Solve for x
    x = 61,044,075.63/8,537.83
  6. Step 6: Final answer
    x = 7,149.83

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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.