Home / 7,885.40-11,826.98-2,338.52

Finding the Fourth Proportional to 7,885.40, 11,826.98 and 2,338.52

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Solution

The fourth proportional to 7,885.40, 11,826.98 and 2,338.52 is: 3,507.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,885.40 : 11,826.98 = 2,338.52 : x
  2. Step 2: Convert to fraction form
    7,885.40/11,826.98 = 2,338.52/x
  3. Step 3: Cross multiply
    7,885.40x = 11,826.98 × 2,338.52
  4. Step 4: Simplify right side
    7,885.40x = 27,657,629.27
  5. Step 5: Solve for x
    x = 27,657,629.27/7,885.40
  6. Step 6: Final answer
    x = 3,507.45

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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.