Home / 5,136.63-7,703.33-1,437.90

Finding the Fourth Proportional to 5,136.63, 7,703.33 and 1,437.90

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Solution

The fourth proportional to 5,136.63, 7,703.33 and 1,437.90 is: 2,156.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,136.63 : 7,703.33 = 1,437.90 : x
  2. Step 2: Convert to fraction form
    5,136.63/7,703.33 = 1,437.90/x
  3. Step 3: Cross multiply
    5,136.63x = 7,703.33 × 1,437.90
  4. Step 4: Simplify right side
    5,136.63x = 11,076,611.02
  5. Step 5: Solve for x
    x = 11,076,611.02/5,136.63
  6. Step 6: Final answer
    x = 2,156.40

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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.