Home / 5,372.16-7,406.50-3,690.60

Finding the Fourth Proportional to 5,372.16, 7,406.50 and 3,690.60

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Solution

The fourth proportional to 5,372.16, 7,406.50 and 3,690.60 is: 5,088.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,372.16 : 7,406.50 = 3,690.60 : x
  2. Step 2: Convert to fraction form
    5,372.16/7,406.50 = 3,690.60/x
  3. Step 3: Cross multiply
    5,372.16x = 7,406.50 × 3,690.60
  4. Step 4: Simplify right side
    5,372.16x = 27,334,428.90
  5. Step 5: Solve for x
    x = 27,334,428.90/5,372.16
  6. Step 6: Final answer
    x = 5,088.16

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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.