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Finding the Fourth Proportional to 4,903.96, 7,355.88 and 1,783.96

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Solution

The fourth proportional to 4,903.96, 7,355.88 and 1,783.96 is: 2,675.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,903.96 : 7,355.88 = 1,783.96 : x
  2. Step 2: Convert to fraction form
    4,903.96/7,355.88 = 1,783.96/x
  3. Step 3: Cross multiply
    4,903.96x = 7,355.88 × 1,783.96
  4. Step 4: Simplify right side
    4,903.96x = 13,122,595.68
  5. Step 5: Solve for x
    x = 13,122,595.68/4,903.96
  6. Step 6: Final answer
    x = 2,675.92

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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.