Home / 7,607.51-11,415.37-3,711.92

Finding the Fourth Proportional to 7,607.51, 11,415.37 and 3,711.92

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Solution

The fourth proportional to 7,607.51, 11,415.37 and 3,711.92 is: 5,569.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,607.51 : 11,415.37 = 3,711.92 : x
  2. Step 2: Convert to fraction form
    7,607.51/11,415.37 = 3,711.92/x
  3. Step 3: Cross multiply
    7,607.51x = 11,415.37 × 3,711.92
  4. Step 4: Simplify right side
    7,607.51x = 42,372,943.52
  5. Step 5: Solve for x
    x = 42,372,943.52/7,607.51
  6. Step 6: Final answer
    x = 5,569.88

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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.