Home / 5,136.48-7,701.77-1,625.81

Finding the Fourth Proportional to 5,136.48, 7,701.77 and 1,625.81

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Solution

The fourth proportional to 5,136.48, 7,701.77 and 1,625.81 is: 2,437.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,136.48 : 7,701.77 = 1,625.81 : x
  2. Step 2: Convert to fraction form
    5,136.48/7,701.77 = 1,625.81/x
  3. Step 3: Cross multiply
    5,136.48x = 7,701.77 × 1,625.81
  4. Step 4: Simplify right side
    5,136.48x = 12,521,580.24
  5. Step 5: Solve for x
    x = 12,521,580.24/5,136.48
  6. Step 6: Final answer
    x = 2,437.77

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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.