Home / 7,683.37-11,519.79-2,752.90

Finding the Fourth Proportional to 7,683.37, 11,519.79 and 2,752.90

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Solution

The fourth proportional to 7,683.37, 11,519.79 and 2,752.90 is: 4,127.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,683.37 : 11,519.79 = 2,752.90 : x
  2. Step 2: Convert to fraction form
    7,683.37/11,519.79 = 2,752.90/x
  3. Step 3: Cross multiply
    7,683.37x = 11,519.79 × 2,752.90
  4. Step 4: Simplify right side
    7,683.37x = 31,712,829.89
  5. Step 5: Solve for x
    x = 31,712,829.89/7,683.37
  6. Step 6: Final answer
    x = 4,127.46

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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.