Home / 6,618.18-9,136.62-5,202.84

Finding the Fourth Proportional to 6,618.18, 9,136.62 and 5,202.84

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Solution

The fourth proportional to 6,618.18, 9,136.62 and 5,202.84 is: 7,182.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,618.18 : 9,136.62 = 5,202.84 : x
  2. Step 2: Convert to fraction form
    6,618.18/9,136.62 = 5,202.84/x
  3. Step 3: Cross multiply
    6,618.18x = 9,136.62 × 5,202.84
  4. Step 4: Simplify right side
    6,618.18x = 47,536,372.00
  5. Step 5: Solve for x
    x = 47,536,372.00/6,618.18
  6. Step 6: Final answer
    x = 7,182.70

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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.