Home / 6,070.28-9,102.31-2,780.55

Finding the Fourth Proportional to 6,070.28, 9,102.31 and 2,780.55

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Solution

The fourth proportional to 6,070.28, 9,102.31 and 2,780.55 is: 4,169.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,070.28 : 9,102.31 = 2,780.55 : x
  2. Step 2: Convert to fraction form
    6,070.28/9,102.31 = 2,780.55/x
  3. Step 3: Cross multiply
    6,070.28x = 9,102.31 × 2,780.55
  4. Step 4: Simplify right side
    6,070.28x = 25,309,428.07
  5. Step 5: Solve for x
    x = 25,309,428.07/6,070.28
  6. Step 6: Final answer
    x = 4,169.40

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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.