Home / 4,381.40-6,564.80-3,080.14

Finding the Fourth Proportional to 4,381.40, 6,564.80 and 3,080.14

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Solution

The fourth proportional to 4,381.40, 6,564.80 and 3,080.14 is: 4,615.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,381.40 : 6,564.80 = 3,080.14 : x
  2. Step 2: Convert to fraction form
    4,381.40/6,564.80 = 3,080.14/x
  3. Step 3: Cross multiply
    4,381.40x = 6,564.80 × 3,080.14
  4. Step 4: Simplify right side
    4,381.40x = 20,220,503.07
  5. Step 5: Solve for x
    x = 20,220,503.07/4,381.40
  6. Step 6: Final answer
    x = 4,615.08

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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.