Home / 5,575.15-8,362.72-1,415.18

Finding the Fourth Proportional to 5,575.15, 8,362.72 and 1,415.18

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Solution

The fourth proportional to 5,575.15, 8,362.72 and 1,415.18 is: 2,122.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,575.15 : 8,362.72 = 1,415.18 : x
  2. Step 2: Convert to fraction form
    5,575.15/8,362.72 = 1,415.18/x
  3. Step 3: Cross multiply
    5,575.15x = 8,362.72 × 1,415.18
  4. Step 4: Simplify right side
    5,575.15x = 11,834,729.73
  5. Step 5: Solve for x
    x = 11,834,729.73/5,575.15
  6. Step 6: Final answer
    x = 2,122.76

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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.