Home / 8,669.31-11,963.61-4,690.37

Finding the Fourth Proportional to 8,669.31, 11,963.61 and 4,690.37

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Solution

The fourth proportional to 8,669.31, 11,963.61 and 4,690.37 is: 6,472.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,669.31 : 11,963.61 = 4,690.37 : x
  2. Step 2: Convert to fraction form
    8,669.31/11,963.61 = 4,690.37/x
  3. Step 3: Cross multiply
    8,669.31x = 11,963.61 × 4,690.37
  4. Step 4: Simplify right side
    8,669.31x = 56,113,697.62
  5. Step 5: Solve for x
    x = 56,113,697.62/8,669.31
  6. Step 6: Final answer
    x = 6,472.68

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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.