Home / 5,133.14-7,700.85-1,623.35

Finding the Fourth Proportional to 5,133.14, 7,700.85 and 1,623.35

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Solution

The fourth proportional to 5,133.14, 7,700.85 and 1,623.35 is: 2,435.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133.14 : 7,700.85 = 1,623.35 : x
  2. Step 2: Convert to fraction form
    5,133.14/7,700.85 = 1,623.35/x
  3. Step 3: Cross multiply
    5,133.14x = 7,700.85 × 1,623.35
  4. Step 4: Simplify right side
    5,133.14x = 12,501,136.34
  5. Step 5: Solve for x
    x = 12,501,136.34/5,133.14
  6. Step 6: Final answer
    x = 2,435.38

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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.