Home / 5,815.80-8,032.57-3,835.35

Finding the Fourth Proportional to 5,815.80, 8,032.57 and 3,835.35

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Solution

The fourth proportional to 5,815.80, 8,032.57 and 3,835.35 is: 5,297.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,815.80 : 8,032.57 = 3,835.35 : x
  2. Step 2: Convert to fraction form
    5,815.80/8,032.57 = 3,835.35/x
  3. Step 3: Cross multiply
    5,815.80x = 8,032.57 × 3,835.35
  4. Step 4: Simplify right side
    5,815.80x = 30,807,707.76
  5. Step 5: Solve for x
    x = 30,807,707.76/5,815.80
  6. Step 6: Final answer
    x = 5,297.24

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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.