Home / 7,867.23-11,781.29-4,570.34

Finding the Fourth Proportional to 7,867.23, 11,781.29 and 4,570.34

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Solution

The fourth proportional to 7,867.23, 11,781.29 and 4,570.34 is: 6,844.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,867.23 : 11,781.29 = 4,570.34 : x
  2. Step 2: Convert to fraction form
    7,867.23/11,781.29 = 4,570.34/x
  3. Step 3: Cross multiply
    7,867.23x = 11,781.29 × 4,570.34
  4. Step 4: Simplify right side
    7,867.23x = 53,844,419.18
  5. Step 5: Solve for x
    x = 53,844,419.18/7,867.23
  6. Step 6: Final answer
    x = 6,844.14

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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.