Home / 5,106.28-7,655.56-2,607.83

Finding the Fourth Proportional to 5,106.28, 7,655.56 and 2,607.83

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Solution

The fourth proportional to 5,106.28, 7,655.56 and 2,607.83 is: 3,909.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,106.28 : 7,655.56 = 2,607.83 : x
  2. Step 2: Convert to fraction form
    5,106.28/7,655.56 = 2,607.83/x
  3. Step 3: Cross multiply
    5,106.28x = 7,655.56 × 2,607.83
  4. Step 4: Simplify right side
    5,106.28x = 19,964,399.03
  5. Step 5: Solve for x
    x = 19,964,399.03/5,106.28
  6. Step 6: Final answer
    x = 3,909.77

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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.