Home / 8,020.80-11,065.92-4,875.84

Finding the Fourth Proportional to 8,020.80, 11,065.92 and 4,875.84

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Solution

The fourth proportional to 8,020.80, 11,065.92 and 4,875.84 is: 6,726.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020.80 : 11,065.92 = 4,875.84 : x
  2. Step 2: Convert to fraction form
    8,020.80/11,065.92 = 4,875.84/x
  3. Step 3: Cross multiply
    8,020.80x = 11,065.92 × 4,875.84
  4. Step 4: Simplify right side
    8,020.80x = 53,955,655.37
  5. Step 5: Solve for x
    x = 53,955,655.37/8,020.80
  6. Step 6: Final answer
    x = 6,726.97

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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.