Home / 7,615.17-11,406.35-3,711.38

Finding the Fourth Proportional to 7,615.17, 11,406.35 and 3,711.38

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Solution

The fourth proportional to 7,615.17, 11,406.35 and 3,711.38 is: 5,559.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,615.17 : 11,406.35 = 3,711.38 : x
  2. Step 2: Convert to fraction form
    7,615.17/11,406.35 = 3,711.38/x
  3. Step 3: Cross multiply
    7,615.17x = 11,406.35 × 3,711.38
  4. Step 4: Simplify right side
    7,615.17x = 42,333,251.51
  5. Step 5: Solve for x
    x = 42,333,251.51/7,615.17
  6. Step 6: Final answer
    x = 5,559.07

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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.