Home / 9,130.46-13,690.38-3,577.29

Finding the Fourth Proportional to 9,130.46, 13,690.38 and 3,577.29

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Solution

The fourth proportional to 9,130.46, 13,690.38 and 3,577.29 is: 5,363.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,130.46 : 13,690.38 = 3,577.29 : x
  2. Step 2: Convert to fraction form
    9,130.46/13,690.38 = 3,577.29/x
  3. Step 3: Cross multiply
    9,130.46x = 13,690.38 × 3,577.29
  4. Step 4: Simplify right side
    9,130.46x = 48,974,459.47
  5. Step 5: Solve for x
    x = 48,974,459.47/9,130.46
  6. Step 6: Final answer
    x = 5,363.86

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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.