Home / 4,756.48-7,136.41-2,123.75

Finding the Fourth Proportional to 4,756.48, 7,136.41 and 2,123.75

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Solution

The fourth proportional to 4,756.48, 7,136.41 and 2,123.75 is: 3,186.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,756.48 : 7,136.41 = 2,123.75 : x
  2. Step 2: Convert to fraction form
    4,756.48/7,136.41 = 2,123.75/x
  3. Step 3: Cross multiply
    4,756.48x = 7,136.41 × 2,123.75
  4. Step 4: Simplify right side
    4,756.48x = 15,155,950.74
  5. Step 5: Solve for x
    x = 15,155,950.74/4,756.48
  6. Step 6: Final answer
    x = 3,186.38

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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.