Home / 5,455.32-8,182.98-1,559.73

Finding the Fourth Proportional to 5,455.32, 8,182.98 and 1,559.73

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Solution

The fourth proportional to 5,455.32, 8,182.98 and 1,559.73 is: 2,339.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.32 : 8,182.98 = 1,559.73 : x
  2. Step 2: Convert to fraction form
    5,455.32/8,182.98 = 1,559.73/x
  3. Step 3: Cross multiply
    5,455.32x = 8,182.98 × 1,559.73
  4. Step 4: Simplify right side
    5,455.32x = 12,763,239.40
  5. Step 5: Solve for x
    x = 12,763,239.40/5,455.32
  6. Step 6: Final answer
    x = 2,339.60

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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.