Home / 8,508.48-11,742.24-4,782.72

Finding the Fourth Proportional to 8,508.48, 11,742.24 and 4,782.72

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Solution

The fourth proportional to 8,508.48, 11,742.24 and 4,782.72 is: 6,600.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,508.48 : 11,742.24 = 4,782.72 : x
  2. Step 2: Convert to fraction form
    8,508.48/11,742.24 = 4,782.72/x
  3. Step 3: Cross multiply
    8,508.48x = 11,742.24 × 4,782.72
  4. Step 4: Simplify right side
    8,508.48x = 56,159,846.09
  5. Step 5: Solve for x
    x = 56,159,846.09/8,508.48
  6. Step 6: Final answer
    x = 6,600.46

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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.