Home / 6,987.48-10,481.12-2,827.46

Finding the Fourth Proportional to 6,987.48, 10,481.12 and 2,827.46

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Solution

The fourth proportional to 6,987.48, 10,481.12 and 2,827.46 is: 4,241.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,987.48 : 10,481.12 = 2,827.46 : x
  2. Step 2: Convert to fraction form
    6,987.48/10,481.12 = 2,827.46/x
  3. Step 3: Cross multiply
    6,987.48x = 10,481.12 × 2,827.46
  4. Step 4: Simplify right side
    6,987.48x = 29,634,881.01
  5. Step 5: Solve for x
    x = 29,634,881.01/6,987.48
  6. Step 6: Final answer
    x = 4,241.14

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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.