Home / 8,669.12-11,963.34-4,690.24

Finding the Fourth Proportional to 8,669.12, 11,963.34 and 4,690.24

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Solution

The fourth proportional to 8,669.12, 11,963.34 and 4,690.24 is: 6,472.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,669.12 : 11,963.34 = 4,690.24 : x
  2. Step 2: Convert to fraction form
    8,669.12/11,963.34 = 4,690.24/x
  3. Step 3: Cross multiply
    8,669.12x = 11,963.34 × 4,690.24
  4. Step 4: Simplify right side
    8,669.12x = 56,110,935.80
  5. Step 5: Solve for x
    x = 56,110,935.80/8,669.12
  6. Step 6: Final answer
    x = 6,472.51

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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.