Home / 5,319.78-7,976.84-2,030.99

Finding the Fourth Proportional to 5,319.78, 7,976.84 and 2,030.99

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Solution

The fourth proportional to 5,319.78, 7,976.84 and 2,030.99 is: 3,045.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.78 : 7,976.84 = 2,030.99 : x
  2. Step 2: Convert to fraction form
    5,319.78/7,976.84 = 2,030.99/x
  3. Step 3: Cross multiply
    5,319.78x = 7,976.84 × 2,030.99
  4. Step 4: Simplify right side
    5,319.78x = 16,200,832.23
  5. Step 5: Solve for x
    x = 16,200,832.23/5,319.78
  6. Step 6: Final answer
    x = 3,045.40

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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.