Home / 10,434.28-15,640.47-4,883.11

Finding the Fourth Proportional to 10,434.28, 15,640.47 and 4,883.11

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Solution

The fourth proportional to 10,434.28, 15,640.47 and 4,883.11 is: 7,319.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,434.28 : 15,640.47 = 4,883.11 : x
  2. Step 2: Convert to fraction form
    10,434.28/15,640.47 = 4,883.11/x
  3. Step 3: Cross multiply
    10,434.28x = 15,640.47 × 4,883.11
  4. Step 4: Simplify right side
    10,434.28x = 76,374,135.46
  5. Step 5: Solve for x
    x = 76,374,135.46/10,434.28
  6. Step 6: Final answer
    x = 7,319.54

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.