Home / 7,905.36-11,860.38-2,358.89

Finding the Fourth Proportional to 7,905.36, 11,860.38 and 2,358.89

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Solution

The fourth proportional to 7,905.36, 11,860.38 and 2,358.89 is: 3,539.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,905.36 : 11,860.38 = 2,358.89 : x
  2. Step 2: Convert to fraction form
    7,905.36/11,860.38 = 2,358.89/x
  3. Step 3: Cross multiply
    7,905.36x = 11,860.38 × 2,358.89
  4. Step 4: Simplify right side
    7,905.36x = 27,977,272.48
  5. Step 5: Solve for x
    x = 27,977,272.48/7,905.36
  6. Step 6: Final answer
    x = 3,539.03

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1.5x scale

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.