Home / 8,669.88-11,964.37-4,690.98

Finding the Fourth Proportional to 8,669.88, 11,964.37 and 4,690.98

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Solution

The fourth proportional to 8,669.88, 11,964.37 and 4,690.98 is: 6,473.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,669.88 : 11,964.37 = 4,690.98 : x
  2. Step 2: Convert to fraction form
    8,669.88/11,964.37 = 4,690.98/x
  3. Step 3: Cross multiply
    8,669.88x = 11,964.37 × 4,690.98
  4. Step 4: Simplify right side
    8,669.88x = 56,124,620.38
  5. Step 5: Solve for x
    x = 56,124,620.38/8,669.88
  6. Step 6: Final answer
    x = 6,473.52

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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.