Home / 8,135.52-11,228.06-4,779.60

Finding the Fourth Proportional to 8,135.52, 11,228.06 and 4,779.60

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Solution

The fourth proportional to 8,135.52, 11,228.06 and 4,779.60 is: 6,596.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,135.52 : 11,228.06 = 4,779.60 : x
  2. Step 2: Convert to fraction form
    8,135.52/11,228.06 = 4,779.60/x
  3. Step 3: Cross multiply
    8,135.52x = 11,228.06 × 4,779.60
  4. Step 4: Simplify right side
    8,135.52x = 53,665,635.58
  5. Step 5: Solve for x
    x = 53,665,635.58/8,135.52
  6. Step 6: Final answer
    x = 6,596.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.