Home / 6,624.18-9,136.80-3,829.68

Finding the Fourth Proportional to 6,624.18, 9,136.80 and 3,829.68

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Solution

The fourth proportional to 6,624.18, 9,136.80 and 3,829.68 is: 5,282.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,624.18 : 9,136.80 = 3,829.68 : x
  2. Step 2: Convert to fraction form
    6,624.18/9,136.80 = 3,829.68/x
  3. Step 3: Cross multiply
    6,624.18x = 9,136.80 × 3,829.68
  4. Step 4: Simplify right side
    6,624.18x = 34,991,020.22
  5. Step 5: Solve for x
    x = 34,991,020.22/6,624.18
  6. Step 6: Final answer
    x = 5,282.32

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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.