Home / 8,045.33-11,105.10-4,689.90

Finding the Fourth Proportional to 8,045.33, 11,105.10 and 4,689.90

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Solution

The fourth proportional to 8,045.33, 11,105.10 and 4,689.90 is: 6,473.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045.33 : 11,105.10 = 4,689.90 : x
  2. Step 2: Convert to fraction form
    8,045.33/11,105.10 = 4,689.90/x
  3. Step 3: Cross multiply
    8,045.33x = 11,105.10 × 4,689.90
  4. Step 4: Simplify right side
    8,045.33x = 52,081,808.49
  5. Step 5: Solve for x
    x = 52,081,808.49/8,045.33
  6. Step 6: Final answer
    x = 6,473.55

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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.