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Finding the Fourth Proportional to 5,798.90, 8,699.85 and 2,511.23

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Solution

The fourth proportional to 5,798.90, 8,699.85 and 2,511.23 is: 3,767.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,798.90 : 8,699.85 = 2,511.23 : x
  2. Step 2: Convert to fraction form
    5,798.90/8,699.85 = 2,511.23/x
  3. Step 3: Cross multiply
    5,798.90x = 8,699.85 × 2,511.23
  4. Step 4: Simplify right side
    5,798.90x = 21,847,324.32
  5. Step 5: Solve for x
    x = 21,847,324.32/5,798.90
  6. Step 6: Final answer
    x = 3,767.49

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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.