Home / 7,858.58-11,789.60-2,595.20

Finding the Fourth Proportional to 7,858.58, 11,789.60 and 2,595.20

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Solution

The fourth proportional to 7,858.58, 11,789.60 and 2,595.20 is: 3,893.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,858.58 : 11,789.60 = 2,595.20 : x
  2. Step 2: Convert to fraction form
    7,858.58/11,789.60 = 2,595.20/x
  3. Step 3: Cross multiply
    7,858.58x = 11,789.60 × 2,595.20
  4. Step 4: Simplify right side
    7,858.58x = 30,596,298.00
  5. Step 5: Solve for x
    x = 30,596,298.00/7,858.58
  6. Step 6: Final answer
    x = 3,893.36

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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.