Home / 5,357.53-8,048.64-5,136.09

Finding the Fourth Proportional to 5,357.53, 8,048.64 and 5,136.09

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Solution

The fourth proportional to 5,357.53, 8,048.64 and 5,136.09 is: 7,715.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,357.53 : 8,048.64 = 5,136.09 : x
  2. Step 2: Convert to fraction form
    5,357.53/8,048.64 = 5,136.09/x
  3. Step 3: Cross multiply
    5,357.53x = 8,048.64 × 5,136.09
  4. Step 4: Simplify right side
    5,357.53x = 41,338,588.86
  5. Step 5: Solve for x
    x = 41,338,588.86/5,357.53
  6. Step 6: Final answer
    x = 7,715.98

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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.