Home / 5,000.18-7,499.96-2,078.51

Finding the Fourth Proportional to 5,000.18, 7,499.96 and 2,078.51

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Solution

The fourth proportional to 5,000.18, 7,499.96 and 2,078.51 is: 3,117.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,000.18 : 7,499.96 = 2,078.51 : x
  2. Step 2: Convert to fraction form
    5,000.18/7,499.96 = 2,078.51/x
  3. Step 3: Cross multiply
    5,000.18x = 7,499.96 × 2,078.51
  4. Step 4: Simplify right side
    5,000.18x = 15,588,704.36
  5. Step 5: Solve for x
    x = 15,588,704.36/5,000.18
  6. Step 6: Final answer
    x = 3,117.63

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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.