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Finding the Fourth Proportional to 6,507.40, 8,980.21 and 3,523.23

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Solution

The fourth proportional to 6,507.40, 8,980.21 and 3,523.23 is: 4,862.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,507.40 : 8,980.21 = 3,523.23 : x
  2. Step 2: Convert to fraction form
    6,507.40/8,980.21 = 3,523.23/x
  3. Step 3: Cross multiply
    6,507.40x = 8,980.21 × 3,523.23
  4. Step 4: Simplify right side
    6,507.40x = 31,639,327.66
  5. Step 5: Solve for x
    x = 31,639,327.66/6,507.40
  6. Step 6: Final answer
    x = 4,862.06

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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.