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Finding the Fourth Proportional to 4,500.90, 6,750.81 and 1,903.50

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Solution

The fourth proportional to 4,500.90, 6,750.81 and 1,903.50 is: 2,855.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,500.90 : 6,750.81 = 1,903.50 : x
  2. Step 2: Convert to fraction form
    4,500.90/6,750.81 = 1,903.50/x
  3. Step 3: Cross multiply
    4,500.90x = 6,750.81 × 1,903.50
  4. Step 4: Simplify right side
    4,500.90x = 12,850,166.84
  5. Step 5: Solve for x
    x = 12,850,166.84/4,500.90
  6. Step 6: Final answer
    x = 2,855.02

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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.