Home / 8,339.86-11,518.46-5,682.66

Finding the Fourth Proportional to 8,339.86, 11,518.46 and 5,682.66

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Solution

The fourth proportional to 8,339.86, 11,518.46 and 5,682.66 is: 7,848.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,339.86 : 11,518.46 = 5,682.66 : x
  2. Step 2: Convert to fraction form
    8,339.86/11,518.46 = 5,682.66/x
  3. Step 3: Cross multiply
    8,339.86x = 11,518.46 × 5,682.66
  4. Step 4: Simplify right side
    8,339.86x = 65,455,491.90
  5. Step 5: Solve for x
    x = 65,455,491.90/8,339.86
  6. Step 6: Final answer
    x = 7,848.51

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1.5x scale

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.