Home / 8,570.26-12,842.16-5,786.02

Finding the Fourth Proportional to 8,570.26, 12,842.16 and 5,786.02

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Solution

The fourth proportional to 8,570.26, 12,842.16 and 5,786.02 is: 8,670.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,570.26 : 12,842.16 = 5,786.02 : x
  2. Step 2: Convert to fraction form
    8,570.26/12,842.16 = 5,786.02/x
  3. Step 3: Cross multiply
    8,570.26x = 12,842.16 × 5,786.02
  4. Step 4: Simplify right side
    8,570.26x = 74,304,994.60
  5. Step 5: Solve for x
    x = 74,304,994.60/8,570.26
  6. Step 6: Final answer
    x = 8,670.10

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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.