Home / 7,780.95-11,652.75-4,265.73

Finding the Fourth Proportional to 7,780.95, 11,652.75 and 4,265.73

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Solution

The fourth proportional to 7,780.95, 11,652.75 and 4,265.73 is: 6,388.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,780.95 : 11,652.75 = 4,265.73 : x
  2. Step 2: Convert to fraction form
    7,780.95/11,652.75 = 4,265.73/x
  3. Step 3: Cross multiply
    7,780.95x = 11,652.75 × 4,265.73
  4. Step 4: Simplify right side
    7,780.95x = 49,707,485.26
  5. Step 5: Solve for x
    x = 49,707,485.26/7,780.95
  6. Step 6: Final answer
    x = 6,388.36

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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.