Home / 7,219.72-10,829.58-4,639.06

Finding the Fourth Proportional to 7,219.72, 10,829.58 and 4,639.06

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Solution

The fourth proportional to 7,219.72, 10,829.58 and 4,639.06 is: 6,958.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219.72 : 10,829.58 = 4,639.06 : x
  2. Step 2: Convert to fraction form
    7,219.72/10,829.58 = 4,639.06/x
  3. Step 3: Cross multiply
    7,219.72x = 10,829.58 × 4,639.06
  4. Step 4: Simplify right side
    7,219.72x = 50,239,071.39
  5. Step 5: Solve for x
    x = 50,239,071.39/7,219.72
  6. Step 6: Final answer
    x = 6,958.59

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Similar ratio
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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.