Home / 5,459.18-7,534.64-3,220.92

Finding the Fourth Proportional to 5,459.18, 7,534.64 and 3,220.92

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Solution

The fourth proportional to 5,459.18, 7,534.64 and 3,220.92 is: 4,445.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459.18 : 7,534.64 = 3,220.92 : x
  2. Step 2: Convert to fraction form
    5,459.18/7,534.64 = 3,220.92/x
  3. Step 3: Cross multiply
    5,459.18x = 7,534.64 × 3,220.92
  4. Step 4: Simplify right side
    5,459.18x = 24,268,480.72
  5. Step 5: Solve for x
    x = 24,268,480.72/5,459.18
  6. Step 6: Final answer
    x = 4,445.45

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