Home / 6,288.93-8,679.41-3,931.83

Finding the Fourth Proportional to 6,288.93, 8,679.41 and 3,931.83

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Solution

The fourth proportional to 6,288.93, 8,679.41 and 3,931.83 is: 5,426.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,288.93 : 8,679.41 = 3,931.83 : x
  2. Step 2: Convert to fraction form
    6,288.93/8,679.41 = 3,931.83/x
  3. Step 3: Cross multiply
    6,288.93x = 8,679.41 × 3,931.83
  4. Step 4: Simplify right side
    6,288.93x = 34,125,944.96
  5. Step 5: Solve for x
    x = 34,125,944.96/6,288.93
  6. Step 6: Final answer
    x = 5,426.35

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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.