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Finding the Fourth Proportional to 5,579, 7,699.38 and 3,095

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Solution

The fourth proportional to 5,579, 7,699.38 and 3,095 is: 4,271.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,579 : 7,699.38 = 3,095 : x
  2. Step 2: Convert to fraction form
    5,579/7,699.38 = 3,095/x
  3. Step 3: Cross multiply
    5,579x = 7,699.38 × 3,095
  4. Step 4: Simplify right side
    5,579x = 23,829,581.10
  5. Step 5: Solve for x
    x = 23,829,581.10/5,579
  6. Step 6: Final answer
    x = 4,271.30

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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.