Home / 7,020.51-10,508.74-3,853.61

Finding the Fourth Proportional to 7,020.51, 10,508.74 and 3,853.61

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Solution

The fourth proportional to 7,020.51, 10,508.74 and 3,853.61 is: 5,768.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020.51 : 10,508.74 = 3,853.61 : x
  2. Step 2: Convert to fraction form
    7,020.51/10,508.74 = 3,853.61/x
  3. Step 3: Cross multiply
    7,020.51x = 10,508.74 × 3,853.61
  4. Step 4: Simplify right side
    7,020.51x = 40,496,562.78
  5. Step 5: Solve for x
    x = 40,496,562.78/7,020.51
  6. Step 6: Final answer
    x = 5,768.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.