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Finding the Fourth Proportional to 5,511, 7,605.18 and 2,993.10

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Solution

The fourth proportional to 5,511, 7,605.18 and 2,993.10 is: 4,130.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511 : 7,605.18 = 2,993.10 : x
  2. Step 2: Convert to fraction form
    5,511/7,605.18 = 2,993.10/x
  3. Step 3: Cross multiply
    5,511x = 7,605.18 × 2,993.10
  4. Step 4: Simplify right side
    5,511x = 22,763,064.26
  5. Step 5: Solve for x
    x = 22,763,064.26/5,511
  6. Step 6: Final answer
    x = 4,130.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.