Home / 7,114.95-10,665.80-3,164.13

Finding the Fourth Proportional to 7,114.95, 10,665.80 and 3,164.13

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Solution

The fourth proportional to 7,114.95, 10,665.80 and 3,164.13 is: 4,743.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,114.95 : 10,665.80 = 3,164.13 : x
  2. Step 2: Convert to fraction form
    7,114.95/10,665.80 = 3,164.13/x
  3. Step 3: Cross multiply
    7,114.95x = 10,665.80 × 3,164.13
  4. Step 4: Simplify right side
    7,114.95x = 33,747,985.66
  5. Step 5: Solve for x
    x = 33,747,985.66/7,114.95
  6. Step 6: Final answer
    x = 4,743.25

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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.