Home / 6,317.64-8,717.90-3,484.85

Finding the Fourth Proportional to 6,317.64, 8,717.90 and 3,484.85

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Solution

The fourth proportional to 6,317.64, 8,717.90 and 3,484.85 is: 4,808.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,317.64 : 8,717.90 = 3,484.85 : x
  2. Step 2: Convert to fraction form
    6,317.64/8,717.90 = 3,484.85/x
  3. Step 3: Cross multiply
    6,317.64x = 8,717.90 × 3,484.85
  4. Step 4: Simplify right side
    6,317.64x = 30,380,512.80
  5. Step 5: Solve for x
    x = 30,380,512.80/6,317.64
  6. Step 6: Final answer
    x = 4,808.84

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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.