Home / 8,669.80-11,964.33-4,690.91

Finding the Fourth Proportional to 8,669.80, 11,964.33 and 4,690.91

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Solution

The fourth proportional to 8,669.80, 11,964.33 and 4,690.91 is: 6,473.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,669.80 : 11,964.33 = 4,690.91 : x
  2. Step 2: Convert to fraction form
    8,669.80/11,964.33 = 4,690.91/x
  3. Step 3: Cross multiply
    8,669.80x = 11,964.33 × 4,690.91
  4. Step 4: Simplify right side
    8,669.80x = 56,123,595.24
  5. Step 5: Solve for x
    x = 56,123,595.24/8,669.80
  6. Step 6: Final answer
    x = 6,473.46

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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.