Home / 5,499.32-8,249.72-1,603.70

Finding the Fourth Proportional to 5,499.32, 8,249.72 and 1,603.70

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Solution

The fourth proportional to 5,499.32, 8,249.72 and 1,603.70 is: 2,405.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,499.32 : 8,249.72 = 1,603.70 : x
  2. Step 2: Convert to fraction form
    5,499.32/8,249.72 = 1,603.70/x
  3. Step 3: Cross multiply
    5,499.32x = 8,249.72 × 1,603.70
  4. Step 4: Simplify right side
    5,499.32x = 13,230,026.70
  5. Step 5: Solve for x
    x = 13,230,026.70/5,499.32
  6. Step 6: Final answer
    x = 2,405.76

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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.