Home / 8,457.54-11,672.66-4,871.81

Finding the Fourth Proportional to 8,457.54, 11,672.66 and 4,871.81

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Solution

The fourth proportional to 8,457.54, 11,672.66 and 4,871.81 is: 6,723.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,457.54 : 11,672.66 = 4,871.81 : x
  2. Step 2: Convert to fraction form
    8,457.54/11,672.66 = 4,871.81/x
  3. Step 3: Cross multiply
    8,457.54x = 11,672.66 × 4,871.81
  4. Step 4: Simplify right side
    8,457.54x = 56,866,898.99
  5. Step 5: Solve for x
    x = 56,866,898.99/8,457.54
  6. Step 6: Final answer
    x = 6,723.81

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Why These Related Problems?

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