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Finding the Fourth Proportional to 5,000.95, 7,499.89 and 1,881.40

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Solution

The fourth proportional to 5,000.95, 7,499.89 and 1,881.40 is: 2,821.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,000.95 : 7,499.89 = 1,881.40 : x
  2. Step 2: Convert to fraction form
    5,000.95/7,499.89 = 1,881.40/x
  3. Step 3: Cross multiply
    5,000.95x = 7,499.89 × 1,881.40
  4. Step 4: Simplify right side
    5,000.95x = 14,110,293.05
  5. Step 5: Solve for x
    x = 14,110,293.05/5,000.95
  6. Step 6: Final answer
    x = 2,821.52

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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.