Home / 7,434.58-11,155.11-2,816.50

Finding the Fourth Proportional to 7,434.58, 11,155.11 and 2,816.50

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Solution

The fourth proportional to 7,434.58, 11,155.11 and 2,816.50 is: 4,225.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,434.58 : 11,155.11 = 2,816.50 : x
  2. Step 2: Convert to fraction form
    7,434.58/11,155.11 = 2,816.50/x
  3. Step 3: Cross multiply
    7,434.58x = 11,155.11 × 2,816.50
  4. Step 4: Simplify right side
    7,434.58x = 31,418,367.32
  5. Step 5: Solve for x
    x = 31,418,367.32/7,434.58
  6. Step 6: Final answer
    x = 4,225.98

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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.