Home / 5,809.32-8,016.86-3,156.77

Finding the Fourth Proportional to 5,809.32, 8,016.86 and 3,156.77

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Solution

The fourth proportional to 5,809.32, 8,016.86 and 3,156.77 is: 4,356.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,809.32 : 8,016.86 = 3,156.77 : x
  2. Step 2: Convert to fraction form
    5,809.32/8,016.86 = 3,156.77/x
  3. Step 3: Cross multiply
    5,809.32x = 8,016.86 × 3,156.77
  4. Step 4: Simplify right side
    5,809.32x = 25,307,327.27
  5. Step 5: Solve for x
    x = 25,307,327.27/5,809.32
  6. Step 6: Final answer
    x = 4,356.33

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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.