Home / 5,136.21-7,703.91-4,997.70

Finding the Fourth Proportional to 5,136.21, 7,703.91 and 4,997.70

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Solution

The fourth proportional to 5,136.21, 7,703.91 and 4,997.70 is: 7,496.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,136.21 : 7,703.91 = 4,997.70 : x
  2. Step 2: Convert to fraction form
    5,136.21/7,703.91 = 4,997.70/x
  3. Step 3: Cross multiply
    5,136.21x = 7,703.91 × 4,997.70
  4. Step 4: Simplify right side
    5,136.21x = 38,501,831.01
  5. Step 5: Solve for x
    x = 38,501,831.01/5,136.21
  6. Step 6: Final answer
    x = 7,496.16

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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.