Home / 10,486.44-15,732.48-3,090.84

Finding the Fourth Proportional to 10,486.44, 15,732.48 and 3,090.84

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Solution

The fourth proportional to 10,486.44, 15,732.48 and 3,090.84 is: 4,637.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,486.44 : 15,732.48 = 3,090.84 : x
  2. Step 2: Convert to fraction form
    10,486.44/15,732.48 = 3,090.84/x
  3. Step 3: Cross multiply
    10,486.44x = 15,732.48 × 3,090.84
  4. Step 4: Simplify right side
    10,486.44x = 48,626,578.48
  5. Step 5: Solve for x
    x = 48,626,578.48/10,486.44
  6. Step 6: Final answer
    x = 4,637.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.