Home / 9,836.64-14,762.25-5,457.78

Finding the Fourth Proportional to 9,836.64, 14,762.25 and 5,457.78

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Solution

The fourth proportional to 9,836.64, 14,762.25 and 5,457.78 is: 8,190.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,836.64 : 14,762.25 = 5,457.78 : x
  2. Step 2: Convert to fraction form
    9,836.64/14,762.25 = 5,457.78/x
  3. Step 3: Cross multiply
    9,836.64x = 14,762.25 × 5,457.78
  4. Step 4: Simplify right side
    9,836.64x = 80,569,112.81
  5. Step 5: Solve for x
    x = 80,569,112.81/9,836.64
  6. Step 6: Final answer
    x = 8,190.71

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Why These Related Problems?

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