Home / 8,875.13-13,315.82-3,944.31

Finding the Fourth Proportional to 8,875.13, 13,315.82 and 3,944.31

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Solution

The fourth proportional to 8,875.13, 13,315.82 and 3,944.31 is: 5,917.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,875.13 : 13,315.82 = 3,944.31 : x
  2. Step 2: Convert to fraction form
    8,875.13/13,315.82 = 3,944.31/x
  3. Step 3: Cross multiply
    8,875.13x = 13,315.82 × 3,944.31
  4. Step 4: Simplify right side
    8,875.13x = 52,521,702.26
  5. Step 5: Solve for x
    x = 52,521,702.26/8,875.13
  6. Step 6: Final answer
    x = 5,917.85

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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.