Home / 8,777.79-12,116.48-5,241.03

Finding the Fourth Proportional to 8,777.79, 12,116.48 and 5,241.03

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Solution

The fourth proportional to 8,777.79, 12,116.48 and 5,241.03 is: 7,234.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,777.79 : 12,116.48 = 5,241.03 : x
  2. Step 2: Convert to fraction form
    8,777.79/12,116.48 = 5,241.03/x
  3. Step 3: Cross multiply
    8,777.79x = 12,116.48 × 5,241.03
  4. Step 4: Simplify right side
    8,777.79x = 63,502,808.97
  5. Step 5: Solve for x
    x = 63,502,808.97/8,777.79
  6. Step 6: Final answer
    x = 7,234.49

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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.