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Finding the Fourth Proportional to 7,302.40, 10,079.58 and 4,470.64

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Solution

The fourth proportional to 7,302.40, 10,079.58 and 4,470.64 is: 6,170.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,302.40 : 10,079.58 = 4,470.64 : x
  2. Step 2: Convert to fraction form
    7,302.40/10,079.58 = 4,470.64/x
  3. Step 3: Cross multiply
    7,302.40x = 10,079.58 × 4,470.64
  4. Step 4: Simplify right side
    7,302.40x = 45,062,173.53
  5. Step 5: Solve for x
    x = 45,062,173.53/7,302.40
  6. Step 6: Final answer
    x = 6,170.87

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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.