Home / 6,814.32-10,217.88-5,148.96

Finding the Fourth Proportional to 6,814.32, 10,217.88 and 5,148.96

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Solution

The fourth proportional to 6,814.32, 10,217.88 and 5,148.96 is: 7,720.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,814.32 : 10,217.88 = 5,148.96 : x
  2. Step 2: Convert to fraction form
    6,814.32/10,217.88 = 5,148.96/x
  3. Step 3: Cross multiply
    6,814.32x = 10,217.88 × 5,148.96
  4. Step 4: Simplify right side
    6,814.32x = 52,611,455.40
  5. Step 5: Solve for x
    x = 52,611,455.40/6,814.32
  6. Step 6: Final answer
    x = 7,720.72

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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.