Home / 8,729.42-13,087.74-2,802.93

Finding the Fourth Proportional to 8,729.42, 13,087.74 and 2,802.93

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Solution

The fourth proportional to 8,729.42, 13,087.74 and 2,802.93 is: 4,202.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729.42 : 13,087.74 = 2,802.93 : x
  2. Step 2: Convert to fraction form
    8,729.42/13,087.74 = 2,802.93/x
  3. Step 3: Cross multiply
    8,729.42x = 13,087.74 × 2,802.93
  4. Step 4: Simplify right side
    8,729.42x = 36,684,019.08
  5. Step 5: Solve for x
    x = 36,684,019.08/8,729.42
  6. Step 6: Final answer
    x = 4,202.35

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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.