Home / 4,890.75-7,336.13-1,603.77

Finding the Fourth Proportional to 4,890.75, 7,336.13 and 1,603.77

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Solution

The fourth proportional to 4,890.75, 7,336.13 and 1,603.77 is: 2,405.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.75 : 7,336.13 = 1,603.77 : x
  2. Step 2: Convert to fraction form
    4,890.75/7,336.13 = 1,603.77/x
  3. Step 3: Cross multiply
    4,890.75x = 7,336.13 × 1,603.77
  4. Step 4: Simplify right side
    4,890.75x = 11,765,457.19
  5. Step 5: Solve for x
    x = 11,765,457.19/4,890.75
  6. Step 6: Final answer
    x = 2,405.66

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Similar ratio
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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.