Home / 8,669.61-11,964.03-4,690.80

Finding the Fourth Proportional to 8,669.61, 11,964.03 and 4,690.80

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Solution

The fourth proportional to 8,669.61, 11,964.03 and 4,690.80 is: 6,473.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,669.61 : 11,964.03 = 4,690.80 : x
  2. Step 2: Convert to fraction form
    8,669.61/11,964.03 = 4,690.80/x
  3. Step 3: Cross multiply
    8,669.61x = 11,964.03 × 4,690.80
  4. Step 4: Simplify right side
    8,669.61x = 56,120,871.92
  5. Step 5: Solve for x
    x = 56,120,871.92/8,669.61
  6. Step 6: Final answer
    x = 6,473.29

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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.